Unified Medical Language System^® (UMLS^®)

Abbreviations Used in Data Elements - 2013AA Release

COT (Type of Co-Occurrence)
KN	negative association in Knowledge Base, e.g., a finding that is inconsistent with a disease.
KP	positive association in Knowledge Base
LQB	second concept is qualified by the first (a MeSH topical qualifier) in citations to the published literature
LQ	second concept occurs as a MeSH topical qualifier of the first in citations to the published literature. Where CUI2 is not present, the count of citations of CUI1 with no MeSH qualifiers is reported.
L	Co-occurrence of primary or main subject headings in citations to the published literature
MP	Co-occurrence of modifier and problem within a patient record
PP	Co-occurrence of two problems within a patient record

CXTY
FULL-MULTIPLE	Full contexts, multiple tree positions
FULL-NOSIB-MULTIPLE-IGNORE-RELA	Full contexts, no siblings, multiple tree positions, RELA not used when computing ancestors/descendants
FULL-NOSIB-MULTIPLE	Full contexts, no siblings, multiple tree positions
FULL-NOSIB	Full contexts, no siblings
FULL	Full contexts

FROMTYPE (Type of Expression from Which a Mapping is Mapped)
CODE	Unique Identifier or code for string in source
CUI	Concept unique identifier
SCUI	Source asserted concept unique identifier
SDUI	Source asserted descriptor identifier

LAT (Language of Terms)
BAQ	Basque
CZE	Czech
DAN	Danish
DUT	Dutch
ENG	English
FIN	Finnish
FRE	French
GER	German
HEB	Hebrew
HUN	Hungarian
ITA	Italian
JPN	Japanese
KOR	Korean
LAV	Latvian
NOR	Norwegian
POL	Polish
POR	Portuguese
RUS	Russian
SCR	Croatian
SPA	Spanish
SWE	Swedish

MAPATN
	Empty attribute name

REL (Relationship)
AQ	Allowed qualifier
CHD	has child relationship in a Metathesaurus source vocabulary
DEL	Deleted concept
PAR	has parent relationship in a Metathesaurus source vocabulary
QB	can be qualified by.
RB	has a broader relationship
RL	the relationship is similar or "alike". the two concepts are similar or "alike". In the current edition of the Metathesaurus, most relationships with this attribute are mappings provided by a source, named in SAB and SL; hence concepts linked by this relationship may be synonymous, i.e. self-referential: CUI1 = CUI2. In previous releases, some MeSH Supplementary Concept relationships were represented in this way.
RN	has a narrower relationship
RO	has relationship other than synonymous, narrower, or broader
RQ	related and possibly synonymous.
RU	Related, unspecified
SIB	has sibling relationship in a Metathesaurus source vocabulary.
SY	source asserted synonymy.
XR	Not related, no mapping
	Empty relationship

RELA (Relationship Attribute)
abnormal_cell_affected_by_chemical_or_drug	abnormal cell affected by chemical or drug
abnormality_associated_with_allele	abnormality associated with allele
access_device_used_by	Access device used by
access_of	Access of
active_ingredient_of	Active ingredient of
active_metabolites_of	Active metabolites of
activity_of_allele	activity of allele
actual_outcome_of	Actual outcome of
adheres_to	Adheres to
adjacent_to	Adjacent to
adjectival_form_of	Adjectival form of
adjustment_of	Adjustment of
afferent_to	Afferent to
alias_of	Alias_of
allele_absent_from_wild-type_chromosomal_location	allele absent from wild-type chromosomal location
allele_associated_with_disease	allele associated with disease
allele_has_abnormality	allele has abnormality
allele_has_activity	allele has activity
allele_in_chromosomal_location	allele in chromosomal location
allele_not_associated_with_disease	allele not associated with disease
allele_plays_altered_role_in_process	allele plays altered role in process
allele_plays_role_in_metabolism_of_chemical_or_drug	allele plays role in metabolism of chemical or drug
allelic_variant_of	Allelic Variant of
alternatively_used_for	alternatively_used_for
analyzed_by	Analyzed by
analyzes	Analyzes
anatomic_structure_has_location	anatomic structure has location
anatomic_structure_is_physical_part_of	anatomic structure is physical part of
anatomy_originated_from_biological_process	anatomy originated from biological process
approximately_mapped_from	Approximately Mapped from
approximately_mapped_to	Approximately Mapped to
arterial_supply_of	Arterial supply of
articulates_with	Articulates with
associated_disease	Associated disease
associated_finding_of	Associated finding of
associated_genetic_condition	Associated genetic condition
associated_morphology_of	Associated morphology of
associated_procedure_of	Associated procedure of
associated_with_malfunction_of_gene_product	associated with malfunction of gene product
associated_with	Associated with
attaches_to	Attaches to
attributed_constitutional_part_of	Attributed constitutional part of
attributed_continuous_with	Attributed continuous with
attributed_part_of	Attributed part of
attributed_regional_part_of	Attributed regional part of
biological_process_has_associated_location	biological process has associated location
biological_process_has_initiator_chemical_or_drug	biological process has initiator chemical or drug
biological_process_has_initiator_process	biological process has initiator process
biological_process_has_result_anatomy	biological process has result anatomy
biological_process_has_result_biological_process	biological process has result biological process
biological_process_has_result_chemical_or_drug	biological process has result chemical or drug
biological_process_involves_chemical_or_drug	biological process involves chemical or drug
biological_process_involves_gene_product	biological process involves gene product
biological_process_is_part_of_process	biological process is part of process
biological_process_results_from_biological_process	biological process results from biological process
biomarker_type_includes_gene_product	biomarker type includes gene product
biomarker_type_includes_gene	biomarker type includes gene
bounded_by	Bounded by
bounds	Bounds
branch_of	Branch of
british_form_of	British form of
causative_agent_of	Causative agent of
cause_of	Cause of
cell_connecting_part_of	Cell connecting part of
cell_shape_of	Cell shape of
cell_surface_specialization_of	Cell surface specialization of
cell_type_is_associated_with_eo_disease	cell type is associated with eo disease
cell_type_or_tissue_affected_by_chemical_or_drug	cell type or tissue affected by chemical or drug
challenge_of	Challenge of
chemical_or_drug_affects_abnormal_cell	chemical or drug affects abnormal cell
chemical_or_drug_affects_cell_type_or_tissue	chemical or drug affects cell type or tissue
chemical_or_drug_affects_gene_product	chemical or drug affects gene product
chemical_or_drug_has_mechanism_of_action	chemical or drug has mechanism of action
chemical_or_drug_has_physiologic_effect	chemical or drug has physiologic effect
chemical_or_drug_initiates_biological_process	chemical or drug initiates biological process
chemical_or_drug_is_metabolized_by_enzyme	chemical or drug is metabolized by enzyme
chemical_or_drug_is_product_of_biological_process	chemical or drug is product of biological process
chemical_or_drug_metabolism_is_associated_with_allele	chemical or drug metabolism is associated with allele
chemical_or_drug_plays_role_in_biological_process	chemical or drug plays role in biological process
chemical_structure_of	Chemical structure of
chemotherapy_regimen_has_component	chemotherapy regimen has component
chromosomal_location_of_allele	chromosomal location of allele
chromosomal_location_of_wild-type_gene	chromosomal location of wild-type gene
chromosome_involved_in_cytogenetic_abnormality	chromosome involved in cytogenetic abnormality
chromosome_mapped_to_disease	chromosome mapped to disease
class_code_classified_by	Class code classified by
class_of	Class of
classified_as	Classified as
classifies_class_code	Classifies class code
classifies	Classifies
clinical_course_of	Clinical course of
clinically_associated_with	Clinically associated with
clinically_similar	Clinically similar
co-occurs_with	Co-ocurrs with
common_name_of	common name of
completely_excised_anatomy_has_procedure	completely excised anatomy has procedure
completely_excised_anatomy_may_have_procedure	Completely excised anatomy may have procedure
complex_has_physical_part	complex has physical part
component_of	Component of
concept_in_subset	concept in subset
conceptual_part_of	Conceptual part of
consider_from	Consider from
consider	Consider
consists_of	Consists of
constitutes	Constitutes
constitutional_part_of	Constitutional part of
contained_in	Contained in
contains	Contains
context_binding_of	Context binding of
continuation_branch_of	Continuation branch of
continuous_with_distally	Continuous with distally
continuous_with_proximally	Continuous with proximally
continuous_with	Continuous with
contraindicated_with_disease	Contraindicated with disease
contraindicating_class_of	Contraindicating class of
contraindicating_mechanism_of_action_of	Contraindicating mechanism of action of
contraindicating_physiologic_effect_of	Contraindicating physiologic effect of
cytogenetic_abnormality_involves_chromosome	cytogenetic abnormality involves chromosome
ddx	dxx
default_mapped_from	Default mapped from
default_mapped_to	Default mapped to
definitional_manifestation_of	Definitional manifestation of
degree_of	Degree of
develops_from	Develops from
device_used_by	Device used by
diagnosed_by	Diagnosed by
diagnoses	Diagnoses
direct_device_of	Direct device of
direct_morphology_of	Direct morphology of
direct_procedure_site_of	Direct procedure site of
direct_substance_of	Direct substance of
disease_associated_with_allele	disease associated with allele
disease_excludes_abnormal_cell	disease excludes abnormal cell
disease_excludes_cytogenetic_abnormality	disease excludes cytogenetic abnormality
disease_excludes_finding	disease excludes finding
disease_excludes_molecular_abnormality	disease excludes molecular abnormality
disease_excludes_normal_cell_origin	disease excludes normal cell origin
disease_excludes_normal_tissue_origin	disease excludes normal tissue origin
disease_excludes_primary_anatomic_site	disease excludes primary anatomic site
disease_has_abnormal_cell	disease has abnormal cell
disease_has_accepted_treatment_with_regimen	Disease Has Accepted Treatment With Regimen
disease_has_associated_anatomic_site	disease has associated anatomic site
disease_has_associated_disease	disease has associated disease
disease_has_associated_gene	disease has associated gene
disease_has_cytogenetic_abnormality	disease has cytogenetic abnormality
disease_has_finding	disease has finding
disease_has_metastatic_anatomic_site	disease has metastatic anatomic site
disease_has_molecular_abnormality	disease has molecular abnormality
disease_has_normal_cell_origin	disease has normal cell origin
disease_has_normal_tissue_origin	disease has normal tissue origin
disease_has_primary_anatomic_site	disease has primary anatomic site
disease_is_grade	disease is grade
disease_is_marked_by_gene	disease is marked by gene
disease_is_stage	disease is stage
disease_mapped_to_chromosome	disease mapped to chromosome
disease_mapped_to_gene	Disease mapped to gene
disease_may_have_abnormal_cell	disease may have abnormal cell
disease_may_have_associated_disease	disease may have associated disease
disease_may_have_cytogenetic_abnormality	disease may have cytogenetic abnormality
disease_may_have_finding	disease may have finding
disease_may_have_molecular_abnormality	disease may have molecular abnormality
disease_may_have_normal_cell_origin	disease may have normal cell origin
disease_not_associated_with_allele	disease not associated with allele
disease_with_contraindication	disease with contraindication
divisor_of	Divisor of
dose_form_of	Dose form of
doseformgroup_of	Dose form group of
drug_contraindicated_for	Drug contraindicated for
due_to	Due to
effect_may_be_inhibited_by	Effect may be inhibited by
efferent_to	Efferent to
endogenous_product_related_to	Endogenous Product Related To
energy_used_by	Energy used by
entry_combination_of	Entry Combination of
entry_version_of	Entry version of
enzyme_metabolizes_chemical_or_drug	enzyme metabolizes chemical or drug
eo_anatomy_is_associated_with_eo_disease	eo anatomy is associated with eo disease
eo_disease_has_associated_cell_type	eo disease has associated cell type
eo_disease_has_associated_eo_anatomy	eo disease has associated eo anatomy
eo_disease_has_property_or_attribute	eo disease has property or attribute
eo_disease_maps_to_human_disease	eo disease maps to human disease
episodicity_of	Episodicity of
epithelial_cell_shape_of	Epithelial cell shape of
evaluation_of	Evaluation of
excised_anatomy_has_procedure	excised anatomy has procedure
excised_anatomy_may_have_procedure	excised anatomy may have procedure
exhibited_by	Exhibited by
exhibits	Exhibits
expanded_form_of	Expanded form of
expected_outcome_of	Expected outcome of
fascicular_architecture_of	Fascicular architecture of
finding_context_of	Finding context of
finding_informer_of	Finding informer of
finding_method_of	Finding method of
finding_site_of	Finding site of
focus_of	Focus of
form_of	Form of
fragments_for_synonyms_of	Fragments for synonyms of
gene_associated_with_disease	gene associated with disease
gene_encodes_gene_product	gene encodes gene product
gene_found_in_organism	gene found in organism
gene_has_abnormality	gene has abnormality
gene_has_physical_location	gene has physical location
gene_in_chromosomal_location	gene in chromosomal location
gene_involved_in_molecular_abnormality	gene involved in molecular abnormality
gene_involved_in_pathogenesis_of_disease	gene involved in pathogenesis of disease
gene_is_biomarker_of	gene is biomarker of
gene_is_biomarker_type	gene is biomarker type
gene_is_element_in_pathway	gene is element in pathway
gene_mapped_to_disease	gene mapped to disease
gene_mutant_encodes_gene_product_sequence_variation	gene mutant encodes gene product sequence variation
gene_plays_role_in_process	gene plays role in process
gene_product_affected_by_chemical_or_drug	gene product affected by chemical or drug
gene_product_encoded_by_gene	gene product encoded by gene
gene_product_expressed_in_tissue	gene product expressed in tissue
gene_product_has_abnormality	gene product has abnormality
gene_product_has_associated_anatomy	gene product has associated anatomy
gene_product_has_biochemical_function	gene product has biochemical function
gene_product_has_chemical_classification	gene product has chemical classification
gene_product_has_malfunction_type	gene product has malfunction type
gene_product_has_organism_source	gene product has organism source
gene_product_has_structural_domain_or_motif	gene product has structural domain or motif
gene_product_is_biomarker_of	gene product is biomarker of
gene_product_is_biomarker_type	gene product is biomarker type
gene_product_is_element_in_pathway	gene product is element in pathway
gene_product_is_physical_part_of	gene product is physical part of
gene_product_malfunction_associated_with_disease	gene product malfunction associated with disease
gene_product_plays_role_in_biological_process	gene product plays role in biological process
gene_product_sequence_variation_encoded_by_gene_mutant	gene product sequence variation encoded by gene mutant
germ_origin_of	Germ origin of
gives_rise_to	Gives rise to
has_access	Has access
has_active_ingredient	Has active ingredient
has_active_metabolites	Has active metabolites
has_actual_outcome	Has actual outcome
has_adherent	Has adherent
has_adjustment	Has adjustment
has_alias	Has alias
has_allelic_variant	Has allelic variant
has_arterial_supply	Has arterial supply
has_associated_finding	Has associated finding
has_associated_morphology	Has associated morphology
has_associated_procedure	Has associated procedure
has_attributed_constitutional_part	Has attributed constitutional part
has_attributed_part	Has attributed part
has_attributed_regional_part	Has attributed regional part
has_branch	Has branch
has_british_form	Has British form
has_causative_agent	Has causative agent
has_cdrh_parent	has cdrh parent
has_cell_connecting_part	Has cell connecting part
has_cell_shape	Has cell shape
has_cell_surface_specialization	Has cell surface specialization
has_challenge	Has challenge
has_chemical_structure	Has chemical structure
has_class	Has class
has_clinical_course	Has clinical course
has_common_name	Has common name
has_component	Has component
has_conceptual_part	Has conceptual part
has_constitutional_part	Has constitutional part
has_context_binding	Has context binding
has_continuation_branch	Has continuation branch
has_contraindicated_drug	Has contraindicated drug
has_contraindicating_class	Has contraindicating class
has_contraindicating_mechanism_of_action	Has contraindicating mechanism of action
has_contraindicating_physiologic_effect	Has contraindicating physiologic effect
has_definitional_manifestation	Has definitional manifestation
has_degree	Has degree
has_direct_device	Has direct device
has_direct_morphology	Has direct morphology
has_direct_procedure_site	Has direct procedure site
has_direct_substance	Has direct substance
has_divisor	Has divisor
has_dose_form	Has dose form
has_doseformgroup	Has dose form group
has_entry_combination	Has Entry Combination
has_entry_version	Has entry version
has_episodicity	Has episodicity
has_epithelial_cell_shape	Has epithelial cell shape
has_evaluation	Has evaluation
has_expanded_form	Has expanded form
has_expected_outcome	Has expected outcome
has_fascicular_architecture	Has fascicular architecture
has_finding_context	Has finding context
has_finding_informer	Has finding informer
has_finding_method	Has finding method
has_finding_site	Has finding_site
has_focus	Has focus
has_form	Has form
has_fragments_for_synonyms	Has fragments for synonyms
has_free_acid_or_base_form	has free acid or base form
has_gene_product_element	has gene product element
has_germ_origin	Has germ origin
has_indirect_device	Has indirect device
has_indirect_morphology	Has indirect morphology
has_indirect_procedure_site	Has indirect procedure site
has_ingredients	Has ingredients
has_ingredient	Has ingredient
has_inherent_3d_shape	Has inherent 3-D shape
has_inheritance_type	Has inheritance type
has_intent	Has intent
has_interpretation	Has interpretation
has_lab_number	Has lab number
has_laterality	Has laterality
has_location	Has location
has_lymphatic_drainage	Has lymphatic drainage
has_manifestation	Has manifestation
has_mapping_qualifier	Has mapping qualifier
has_measurement_method	Has measurement method
has_mechanism_of_action	Has mechanism of action
has_member	Has member
has_method	Has method
has_multi_level_category	Has multi-level category
has_muscle_attachment	Has muscle attachment
has_muscle_insertion	Has muscle insertion
has_muscle_origin	Has muscle origin
has_nerve_supply	Has nerve supply
has_nichd_parent	has nichd parent
has_occurrence	Has occurrence
has_orientation	Has orientation
has_origin	Has origin
has_owning_affiliate	Has owning affiliate
has_owning_section	Has owning section
has_owning_subsection	Has owning subsection
has_participant	Has participant
has_part	Has part
has_pathological_process	Has pathological process
has_permuted_term	Has permuted term
has_pharmacokinetics	Has pharmacokinetics
has_physical_part_of_anatomic_structure	has physical part of anatomic structure
has_physical_state	Has physical state
has_physiologic_effect	Has physiologic effect
has_plain_text_form	Has plain text form
has_precise_ingredient	Has precise ingredient
has_primary_segmental_supply	Has primary segmental supply
has_print_name	Has print name
has_priority	Has priority
has_procedure_context	Has procedure context
has_procedure_device	Has procedure device
has_procedure_morphology	Has procedure morphology
has_procedure_site	Has procedure site
has_product_component	Has product component
has_property	Has property
has_quantified_form	Has quantified form
has_recipient_category	Has recipient category
has_regional_part	Has regional part
has_result	Has result
has_revision_status	Has revision status
has_route_of_administration	Has route of administration
has_salt_form	has salt form
has_scale_type	Has scale type
has_scale	Has scale
has_secondary_segmental_supply	Has secondary segmental supply
has_segmental_composition	Has segmental composition
has_segmental_supply	Has segmental supply
has_severity	Has severity
has_shape	Has shape
has_sign_or_symptom	Has sign or symptom
has_single_level_category	Has single level category
has_sort_version	Has sort version
has_specimen_procedure	Has specimen procedure
has_specimen_source_identity	Has specimen source identity
has_specimen_source_morphology	Has specimen source morphology
has_specimen_source_topography	Has specimen source topography
has_specimen_substance	Has specimen substance
has_specimen	Has specimen
has_subject_relationship_context	Has subject relationship context
has_suffix	Has suffix
has_supersystem	Has supersystem
has_supported_concept_property	Has supported concept property
has_supported_concept_relationship	Has supported concept relationship
has_surgical_approach	has surgical approach
has_systemic_part	Has systemic part
has_system	Has system
has_target	has target
has_temporal_context	Has temporal context
has_therapeutic_class	Has therapeutic class
has_time_aspect	Has time aspect
has_time_modifier	Has time modifier
has_tradename	Has tradename
has_translation	Has translation
has_transliterated_form	Has transliterated form
has_tributary	Has tributary
has_venous_drainage	Has venous drainage
has_version	Has version
human_disease_maps_to_eo_disease	human disease maps to eo disease
icd_asterisk	ICD asterisk
icd_dagger	ICD dagger
imaged_anatomy_has_procedure	imaged anatomy has procedure
included_in	included_in
includes	includes
indirect_device_of	Indirect device of
indirect_morphology_of	Indirect morphology of
indirect_procedure_site_of	Indirect procedure site of
induced_by	Induced by
induces	Induces
ingredient_of	Ingredient of
ingredients_of	Ingredients of
inherent_3d_shape_of	Inherent 3-D shape of
inheritance_type_of	Inheritance type of
intent_of	Intent of
interpretation_of	Interpretation of
interprets	Interprets
inverse_isa	Inverse is a
inverse_may_be_a	Inverse may be a
inverse_was_a	Inverse was a
is_abnormal_cell_of_disease	is abnormal cell of disease
is_abnormality_of_gene_product	is abnormality of gene product
is_abnormality_of_gene	is abnormality of gene
is_alternative_use	is_alternative_use
is_associated_anatomic_site_of	is associated anatomic site of
is_associated_anatomy_of_gene_product	is associated anatomy of gene product
is_associated_disease_of	is associated disease of
is_biochemical_function_of_gene_product	is biochemical function of gene product
is_chemical_classification_of_gene_product	is chemical classification of gene product
is_chromosomal_location_of_gene	is chromosomal location of gene
is_component_of_chemotherapy_regimen	is component of chemotherapy regimen
is_cytogenetic_abnormality_of_disease	is cytogenetic abnormality of disease
is_finding_of_disease	is finding of disease
is_grade_of_disease	is grade of disease
is_interpreted_by	Is interpreted by
is_location_of_anatomic_structure	is location of anatomic structure
is_location_of_biological_process	is location of biological process
is_malfunction_type_of_gene_product	is malfunction type of gene product
is_marked_by_gene_product	is marked by gene product
is_mechanism_of_action_of_chemical_or_drug	is mechanism of action of chemical or drug
is_metastatic_anatomic_site_of_disease	is metastatic anatomic site of disease
is_molecular_abnormality_of_disease	is molecular abnormality of disease
is_normal_cell_origin_of_disease	is normal cell origin of disease
is_normal_tissue_origin_of_disease	is normal tissue origin of disease
is_not_abnormal_cell_of_disease	is not abnormal cell of disease
is_not_cytogenetic_abnormality_of_disease	is not cytogenetic abnormality of disease
is_not_finding_of_disease	is not finding of disease
is_not_molecular_abnormality_of_disease	is not molecular abnormality of disease
is_not_normal_cell_origin_of_disease	is not normal cell origin of disease
is_not_normal_tissue_origin_of_disease	is not normal tissue origin of disease
is_not_primary_anatomic_site_of_disease	is not primary anatomic site of disease
is_organism_source_of_gene_product	is organism source of gene product
is_physical_location_of_gene	is physical location of gene
is_physiologic_effect_of_chemical_or_drug	is physiologic effect of chemical or drug
is_primary_anatomic_site_of_disease	is primary anatomic site of disease
is_property_or_attribute_of_eo_disease	is property or attribute of eo disease
is_qualified_by	is qualified by
is_related_to_endogenous_product	Is Related To Endogenous Product
is_stage_of_disease	is stage of disease
is_structural_domain_or_motif_of_gene_product	is structural domain or motif of gene product
is_target	is target
isa	Is a
kind_is_domain_of	kind is domain of
kind_is_range_of	kind is range of
lab_number_of	Lab number
larger_than	Larger Than
laterality_of	Laterality of
location_of	Location of
lymphatic_drainage_of	Lymphatic drainage of
manifestation_of	Manifestation of
mapped_from	Mapped from
mapped_to	Mapped to
mapping_qualifier_of	Mapping qualifier of
may_be_abnormal_cell_of_disease	may be abnormal cell of disease
may_be_associated_disease_of_disease	may be associated disease of disease
may_be_a	May be a
may_be_cytogenetic_abnormality_of_disease	may be cytogenetic abnormality of disease
may_be_diagnosed_by	May be diagnosed by
may_be_finding_of_disease	may be finding of disease
may_be_molecular_abnormality_of_disease	may be molecular abnormality of disease
may_be_normal_cell_origin_of_disease	may be normal cell origin of disease
may_be_prevented_by	May be prevented by
may_be_qualified_by	May be qualified by
may_be_treated_by	May be treated by
may_diagnose	May diagnose
may_inhibit_effect_of	May inhibit effect of
may_prevent	May prevent
may_qualify	May qualify
may_treat	May treat
measured_by	Measured by
measurement_method_of	Measurement method of
measures	Measures
mechanism_of_action_of	Mechanism of action of
member_of_cluster	Member of cluster
metabolic_site_of	Metabolic site of
method_of	Method of
modified_by	Modified by
modifies	Modifies
molecular_abnormality_involves_gene	molecular abnormality involves gene
moved_from	Moved from
moved_to	Moved to
mth_british_form_of	MTH British form of
mth_expanded_form_of	MTH expanded form of
mth_has_british_form	MTH has British form
mth_has_expanded_form	MTH has expanded form
mth_has_plain_text_form	Has plain text form, Metathesaurus-asserted
mth_has_xml_form	Has XML form, Metathesaurus-asserted
mth_plain_text_form_of	Plain text form of, Metathesaurus-asserted
mth_xml_form_of	XML form of, Metathesaurus-asserted
multiply_mapped_from	Multiply mapped from
multiply_mapped_to	Multiply mapped to
muscle_attachment_of	Muscle attachment of
muscle_insertion_of	Muscle insertion of
muscle_origin_of	Muscle origin of
negatively_regulated_by	Negatively regulated by
negatively_regulates	Negatively regulates
nerve_supply_of	Nerve supply of
noun_form_of	Noun form of
occurs_after	Occurs after
occurs_before	Occurs before
occurs_in	Occurs in
organism_has_gene	organism has gene
orientation_of	Orientation of
origin_of	Origin of
other_mapped_from	Other mapped from
other_mapped_to	Other mapped to
owning_affiliate_of	Owning affiliate of
owning_section_of	Owning section of
owning_subsection_of	Owning subsection of
parent_is_cdrh	parent is cdrh
parent_is_nichd	parent is nichd
part_of	Part of
partially_excised_anatomy_has_procedure	partially excised anatomy has procedure
partially_excised_anatomy_may_have_procedure	partially excised anatomy may have procedure
participates_in	Participates in
pathogenesis_of_disease_involves_gene	pathogenesis of disease involves gene
pathological_process_of	Pathological process of
pathway_has_gene_element	pathway has gene element
permuted_term_of	Permuted term of
pharmacokinetics_of	Pharmacokinetics of
physical_state_of	Physical state of
physiologic_effect_of	Physiologic effect of
plain_text_form_of	Plain text form of
positively_regulated_by	Positively regulated by
positively_regulates	Positively regulates
precise_ingredient_of	Precise ingredient of
primary_mapped_from	Primary mapped from
primary_mapped_to	Primary mapped to
primary_segmental_supply_of	Primary segmental supply of
print_name_of	Print name of
priority_of	Priority of
procedure_context_of	Procedure context of
procedure_device_of	Procedure device of
procedure_has_completely_excised_anatomy	procedure has completely excised anatomy
procedure_has_excised_anatomy	procedure has excised anatomy
procedure_has_imaged_anatomy	procedure has imaged anatomy
procedure_has_partially_excised_anatomy	procedure has partially excised anatomy
procedure_has_target_anatomy	procedure has target anatomy
procedure_may_have_completely_excised_anatomy	procedure may have completely excised anatomy
procedure_may_have_excised_anatomy	procedure may have excised anatomy
procedure_may_have_partially_excised_anatomy	procedure may have partially excised anatomy
procedure_morphology_of	Procedure morphology of
procedure_site_of	Procedure site of
process_altered_by_allele	process altered by allele
process_includes_biological_process	process includes biological process
process_initiates_biological_process	process initiates biological process
process_involves_gene	process involves gene
product_component_of	Product component of
property_of	Property of
qualifier_applies_to	qualifier applies to
quantified_form_of	Quantified form of
receives_attachment	Receives attachment
receives_input_from	Receives input from
recipient_category_of	Recipient category of
referred_to_by	referred to by
refers_to	refers to
reformulated_to	Reformulated to
reformulation_of	Reformulation of
regimen_has_accepted_use_for_disease	Regimen Has Accepted Use For Disease
regional_part_of	Regional part of
regulated_by	Regulated by
regulates	Regulates
related_to	Is Related to
replaced_by	Replaced by
replaces	Replaces
result_of_regulation	Result of regulation
result_of	Result of
results_in	Results in
revision_status_of	Revision status of
role_has_domain	role has domain
role_has_parent	role has parent
role_has_range	role has range
role_is_parent_of	role is parent of
route_of_administration_of	Route of administration of
same_as	Same as
scale_of	Scale of
scale_type_of	Scale type of
secondary_segmental_supply_of	Secondary segmental supply of
see_from	See from
see	See
segmental_composition_of	Segmental composition of
segmental_supply_of	Segmental supply of
sends_output_to	Sends output to
severity_of	Severity of
shape_of	Shape of
sib_in_branch_of	Sibling in branch of
sib_in_isa	Sibling in is a
sib_in_part_of	Sibling in part of
sib_in_tributary_of	Sibling in tributary of
sign_or_symptom_of	Sign or symptom of
site_of_metabolism	Site of metabolism
smaller_than	Smaller Than
sort_version_of	Sort version of
specimen_of	Specimen of
specimen_procedure_of	Specimen procedure of
specimen_source_identity_of	Specimen source identity of
specimen_source_morphology_of	Specimen source morphology of
specimen_source_topography_of	specimen source topography of
specimen_substance_of	Specimen substance of
ssc	scc
subject_relationship_context_of	Subject relationship context of
subset_includes_concept	subset includes concept
substance_used_by	Substance used by
suffix_of	Suffix of
supersystem_of	Supersystem of
supported_concept_property_in	Supported concept property in
supported_concept_relationship_in	Supported concept relationship in
surgical_approach_of	surgical approach of
surrounded_by	Surrounded by
surrounds	Surrounds
system_of	System of
systemic_part_of	Systemic part of
target_anatomy_has_procedure	target anatomy has procedure
temporal_context_of	Temporal context of
therapeutic_class_of	Therapeutic class of
time_aspect_of	Time aspect of
time_modifier_of	Time modifier of
tissue_is_expression_site_of_gene_product	tissue is expression site of gene product
tradename_of	Tradename of
translation_of	Translation of
transliterated_form_of	transliterated_form_of
treated_by	Treated by
treats	Treats
tributary_of	Tributary of
uniquely_mapped_from	Uniquely mapped from
uniquely_mapped_to	Uniquely mapped to
used_by	Used by
used_for	Used for
uses_access_device	Uses access device
uses_device	Uses device
uses_energy	Uses energy
uses_substance	Uses substance
uses	Uses
use	Use
venous_drainage_of	Venous drainage of
version_of	Version of
was_a	Was a
	Empty relationship attribute

SRL
0	No additional restrictions; general terms of the license agreement apply.
1	General terms + additional restrictions in category 12.1
2	General terms + additional restrictions in category 12.2
3	General terms + additional restrictions in category 12.3
4	General terms + additional restrictions in category 12.4
9	General terms + SNOMED CT Affiliate License in Appendix 2

STT (String Type)
PF	Preferred form of term
VCW	Case and word-order variant of the preferred form
VC	Case variant of the preferred form
VO	Variant of the preferred form
VW	Word-order variant of the preferred form

STYPE (Column name in MRCONSO.RRF or MRREL.RRF with identifier to which attribute is attached)
AUI	Atom identifier
CODE	Unique Identifier or code for string in source
CUI	Concept unique identifier
RUI	Relationship identifier
SCUI	Source asserted concept unique identifier
SDUI	Source asserted descriptor identifier

STYPE1 (Column name in MRCONSO.RRF with first identifier to which relationship is attached)
AUI	Atom identifier
CODE	Unique Identifier or code for string in source
CUI	Concept unique identifier
SCUI	Source asserted concept unique identifier
SDUI	Source asserted descriptor identifier

STYPE2 (Column name in MRCONSO.RRF with second identifier to which relationship is attached)
AUI	Atom identifier
CODE	Unique Identifier or code for string in source
CUI	Concept unique identifier
SCUI	Source asserted concept unique identifier
SDUI	Source asserted descriptor identifier

SUPPRESS
E	Suppressible due to editor decision
N	Not suppressible
O	Obsolete, SAB,TTY may be independently suppressible
Y	Suppressible due to SAB,TTY
	Suppressibility not yet assigned by the UMLS

TOTYPE (Type of Expression to Which a Mapping is Mapped)
BOOLEAN_EXPRESSION_CODE	Boolean expression of CODE values
BOOLEAN_EXPRESSION_SDUI	Boolean expression of SDUI values
BOOLEAN_EXPRESSION_STR	Boolean expression of STR values
CODE	Unique Identifier or code for string in source
SCUI	Source asserted concept unique identifier
SDUI	Source asserted descriptor identifier
	No type, used for XR mappings.

TS (Term Status)
P	Preferred LUI of the CUI
S	Non-Preferred LUI of the CUI
p	Preferred LUI of the CUI, suppressible (only used in ORF MRCON)
s	Non-Preferred LUI of the CUI, suppressible (only used in ORF MRCON)

TTY (Term Type in Source)
AA	Attribute type abbreviation
AB	Abbreviation in any source vocabulary
ACR	Acronym
AC	Activities
AD	Adjective
AM	Short form of modifier
AS	Attribute type synonym
AT	Attribute type
AUN	Authority name
BD	Fully-specified drug brand name that can be prescribed
BN	Fully-specified drug brand name that can not be prescribed
BPCK	Branded Drug Delivery Device
BRIDGPT	Biomedical Research Integrated Domain Group Model PT
BR	Binding realm
BioCPT	BioCarta online maps of molecular pathways, adapted for NCI use PT
BioCSY	BioCarta online maps of molecular pathways, adapted for NCI use SY
CA2	ISO 3166-1 standard country code in alpha-2 (two-letter) format
CA3	ISO 3166-1 standard country code in alpha-3 (three-letter) format
CCN	Chemical code name
CCS	FIPS 10-4 country code
CC	Trimmed ICPC component process
CDA	Clinical drug name in abbreviated format
CDCPT	U.S. Centers for Disease Control and Prevention PT
CDC	Clinical drug name in concatenated format (NDDF), Clinical drug name (NDFRT)
CDD	Clinical drug name in delimited format
CDISCPT	Clinical Data Interchange Standards Consortium PT
CDISCSY	Clinical Data Interchange Standards Consortium SY
CDO	Concept domain
CD	Clinical Drug
CE	Entry term for a Supplementary Concept
CHN	Chemical structure name
CL	Class
CMN	Common name
CN	LOINC official component name
CO	Component name (these are hierarchical terms, as opposed to the LOINC component names which are analytes)
CPR	Concept property
CP	ICPC component process (in original form)
CRCHPT	Cancer Research Center of Hawaii PT
CRCHSY	Cancer Research Center of Hawaii SY
CR	Concept relationship
CSN	Chemical Structure Name
CSY	Code system
CS	Short component process in ICPC, i.e. include some abbreviations
CTCAEPT	Common Terminology Criteria for Adverse Events PT
CU	Common usage
CV	Content view
CX	Component, with abbreviations expanded.
DCPPT	NCI Division of Cancer Prevention Program PT
DCPSY	NCI Division of Cancer Prevention Program SY
DEV	Descriptor entry version
DE	Descriptor
DFG	Dose Form Group
DF	Dose Form
DICOMPT	Digital Imaging Communications in Medicine PT
DI	Disease name
DN	Display Name
DO	Domain
DP	Drug Product
DSV	Descriptor sort version
DS	Short form of descriptor
DTPPT	NCI Developmental Therapeutics Program PT
DTPSY	NCI Developmental Therapeutics Program SY
DT	Definitional term, present in the Metathesaurus because of its connection to a Dorland's definition or to a definition created especially for the Metathesaurus
EN	Non-print entry term
EP	Print entry term
EQ	Equivalent name
ES	Short form of entry term
ETAV	Entry Term Allelic Variant
ET	Entry term
EX	Expanded form of entry term
FBD	Foreign brand name
FDAAB	U.S. Food and Drug Administration AB
FDAPT	U.S. Food and Drug Administration PT
FDASY	U.S. Food and Drug Administration SY
FI	Finding name
FN	Full form of descriptor
GN	Generic drug name
GO	Goal
GPCK	Generic Drug Delivery Device
GT	Glossary term
HC	Hierarchical class
HD	Hierarchical descriptor
HGJKN1	Japanese High Level Group Term (kana1)
HGJKN	Japanese High Level Group Term (kana)
HG	High Level Group Term
HS	Short or alternate version of hierarchical term
HTJKN1	Japanese Hierarchical term (kana1)
HTJKN	Japanese Hierarchical term (kana)
HTN	HL7 Table Name
HT	Hierarchical term
HX	Expanded version of short hierarchical term
ICHAB	International Conference on Harmonization AB
ICHPT	International Conference on Harmonization PT
ICHSY	International Conference on Harmonization SY
ID	Nursing indicator
IN	Name for an ingredient
IS	Obsolete Synonym
IT	Index term
IVC	Intervention categories
IV	Intervention
JAXPT	Jackson Laboratories Mouse Terminology, adapted for NCI use PT
JAXSY	Jackson Laboratories Mouse Terminology, adapted for NCI use SY
KEGGAB	Kyoto Encyclopedia of Genes and Genomes (KEGG), KEGG Pathway Database, adapted for NCI use AB
KEGGPT	Kyoto Encyclopedia of Genes and Genomes (KEGG), KEGG Pathway Database, adapted for NCI use PT
KEGGSY	Kyoto Encyclopedia of Genes and Genomes (KEGG), KEGG Pathway Database, adapted for NCI use SY
LC	Long common name
LN	LOINC official fully specified name
LO	Obsolete official fully specified name
LPDN	LOINC parts display name
LPN	LOINC parts name
LS	Expanded system/sample type (The expanded version was created for the Metathesaurus and includes the full name of some abbreviations.)
LTJKN1	Japanese Lower Level Term (kana1)
LTJKN	Japanese Lower Level Term (kana)
LT	Lower Level Term
LV	Lexical variant
MD	CCS multi-level diagnosis categories
MH	Main heading
MIN	name for a multi-ingredient
MP	Preferred names of modifiers
MS	Multum names of branded and generic supplies or supplements
MTH_AB	MTH abbreviation
MTH_ACR	MTH acronym
MTH_BD	MTH fully-specified drug brand name that can be prescribed
MTH_CHN	MTH chemical structure name
MTH_CN	MTH Component, with abbreviations expanded.
MTH_ET	Metathesaurus entry term
MTH_FN	MTH Full form of descriptor
MTH_HG	MTH High Level Group Term
MTH_HT	MTH Hierarchical term
MTH_HX	MTH Hierarchical term expanded
MTH_ID	Metathesaurus expanded form of nursing indicator
MTH_IS	Metathesaurus-supplied form of obsolete synonym
MTH_LN	MTH Official fully specified name with expanded abbreviations
MTH_LO	MTH Expanded LOINC obsolete fully specified name
MTH_LPN	MTH LOINC parts name
MTH_LT	MTH Lower Level Term
MTH_LV	MTH lexical variant
MTH_NPT	MTH non-preferred for language term
MTH_OF	Metathesaurus-supplied form of obsolete fully specified name
MTH_OL	MTH Non-current Lower Level Term
MTH_OPN	Metathesaurus obsolete preferred term, natural language form
MTH_OP	Metathesaurus obsolete preferred term
MTH_OS	MTH System-organ class
MTH_PTGB	Metathesaurus-supplied form of British preferred term
MTH_PTN	Metathesaurus preferred term, natural language form
MTH_PT	Metathesaurus preferred term
MTH_RXN_BD	RxNorm Created BD
MTH_RXN_CDC	RxNorm Created CDC
MTH_RXN_CD	RxNorm Created CD
MTH_RXN_DP	RxNorm Created DP
MTH_RXN_RHT	RxNorm Created reference hierarchy term
MTH_SI	MTH Sign or symptom of
MTH_SMQ	Metathesaurus version of Standardised MedDRA Query
MTH_SYGB	Metathesaurus-supplied form of British synonym
MTH_SY	MTH Designated synonym
MV	Multi-level procedure category
N1	Chemical Abstracts Service Type 1 name of a chemical
NA	Name aliases
NCI-GLOSSOP	NCI Dictionary of Cancer Terms OP
NCI-GLOSSPT	NCI Dictionary of Cancer Terms PT
NCI-GLOSSSY	NCI Dictionary of Cancer Terms SY
NCI-HL7AB	NCI Health Level 7, AB
NCI-HL7PT	NCI Health Level 7, PT
NCI-HL7SY	NCI Health Level 7, SY
NCPDPPT	National Council for Prescription Drug Programs PT
NICHDAB	National Institute of Child Health and Human Development AB
NICHDPT	National Institute of Child Health and Human Development PT
NICHDSY	National Institute of Child Health and Human Development SY
NM	Name of Supplementary Concept
NPT	HL7 non-preferred for language term
NP	Non-preferred term
NS	Short form of non-preferred term
NX	Expanded form of non-preferred term
OAM	Obsolete Modifier Abbreviation
OA	Obsolete abbreviation
OCD	Obsolete clinical drug
OC	Nursing outcomes
OET	Obsolete entry term
OF	Obsolete fully specified name
OLC	Obsolete Long common name
OLJKN1	Japanese Non-current Lower Level Term (kana1)
OLJKN	Japanese Non-current Lower Level Term (kana)
OL	Non-current Lower Level Term
OM	Obsolete modifiers in HCPCS
ONP	Obsolete non-preferred for language term
OOSN	Obsolete official short name
OPN	Obsolete preferred term, natural language form
OP	Obsolete preferred name
OR	Orders
OSJKN1	Japanese System-organ class in the WHO Adverse Reaction Terminology (kana1)
OSJKN	Japanese System-organ class in the WHO Adverse Reaction Terminology (kana)
OSN	Official short name
OS	System-organ class
PCE	Preferred entry term for Supplementary Concept
PC	Preferred "trimmed term" in ICPC
PEN	Preferred non-print entry term
PEP	Preferred entry term
PIDPT	National Cancer Institute Nature Pathway Interaction Database PT
PIN	Name from a precise ingredient
PM	Machine permutation
PN	Metathesaurus preferred name
PQ	Qualifier for a problem
PR	Name of a problem
PSC	Protocol selection criteria
PS	Short forms that needed full specification
PTAV	Preferred Allelic Variant
PTCS	Preferred Clinical Synopsis
PTGB	British preferred term
PTJKN1	Japanese Designated preferred name (kana1)
PTJKN	Japanese Designated preferred name (kana)
PTN	Preferred term, natural language form
PT	Designated preferred name
PXQ	Preferred qualifier term
PX	Expanded preferred terms (pair with PS)
QAB	Qualifier abbreviation
QEV	Qualifier entry version
QSV	Qualifier sort version
RAB	Root abbreviation
RENIDN	Registry Nomenclature Information Display Name
RHT	Root hierarchical term
RPT	Root preferred term
RSY	Root synonym
RS	Extracted related names in SNOMED2
RT	Designated related term
SBDC	Semantic Branded Drug Component
SBDF	Semantic branded drug and form
SBDG	Semantic branded drug group
SBD	Semantic branded drug
SB	Named subset of a source
SCALE	Scale
SCDC	Semantic Drug Component
SCDF	Semantic clinical drug and form
SCDG	Semantic clinical drug group
SCD	Semantic Clinical Drug
SCN	Scientific name
SC	Special Category term
SD	CCS single-level diagnosis categories
SI	Name of a sign or symptom of a problem
SMQ	Standardised MedDRA Query
SP	CCS single-level procedure categories
SSN	Source short name, used in the UMLS Knowledge Source Server
SS	Synonymous "short" forms
ST	Step
SU	Active Substance
SX	Mixed-case component synonym with expanded abbreviations
SYGB	British synonym
SYN	Designated alias
SY	Designated synonym
TA	Task
TC	Term class
TG	Name of the target of an intervention
TMSY	Tall Man synonym
TQ	Topical qualifier
TX	CCPSS synthesized problems for TC termgroup
UAUN	Unique authority name
UCN	Unique common name
UCUMAB	Unified Code for Units of Measure AB
UCUMPT	Unified Code for Units of Measure PT
UCUMSY	Unified Code for Units of Measure SY
USN	Unique scientific name
USY	Unique synonym
VAB	Versioned abbreviation
VPT	Versioned preferred term
VSY	Versioned synonym
VS	Value Set
XD	Expanded descriptor in AOD
XM	Cross mapping set
XQ	Alternate name for a qualifier
XX	Expanded string
ZFINPT	Zebrafish Model Organism Database PT
ZFINSY	Zebrafish Model Organism Database SY

TTY (tty_class)
AA	abbreviation
AA	attribute
AB	abbreviation
ACR	abbreviation
AC	preferred
AD	attribute
AM	abbreviation
AM	attribute
AS	attribute
AS	synonym
AT	attribute
AUN	synonym
BD	preferred
BioCPT	preferred
BioCSY	synonym
BN	preferred
BPCK	preferred
BRIDGPT	preferred
BR	preferred
CA2	abbreviation
CA3	abbreviation
CCN	synonym
CCS	synonym
CC	preferred
CDA	abbreviation
CDCPT	preferred
CDC	preferred
CDD	synonym
CDISCPT	preferred
CDISCSY	synonym
CDO	preferred
CD	preferred
CE	entry_term
CHN	synonym
CL	hierarchical
CMN	preferred
CN	preferred
CO	hierarchical
CPR	preferred
CP	preferred
CRCHPT	preferred
CRCHSY	synonym
CR	preferred
CSN	synonym
CS	abbreviation
CSY	preferred
CTCAEPT	preferred
CU	synonym
CV	preferred
CX	expanded
CX	preferred
DCPPT	preferred
DCPSY	synonym
DE	preferred
DEV	abbreviation
DFG	preferred
DF	preferred
DICOMPT	preferred
DI	preferred
DN	synonym
DO	hierarchical
DP	preferred
DS	abbreviation
DSV	abbreviation
DTPPT	preferred
DTPSY	synonym
DT	other
EN	entry_term
EP	entry_term
EQ	synonym
ES	abbreviation
ES	entry_term
ETAV	entry_term
ET	entry_term
EX	entry_term
EX	expanded
FBD	synonym
FDAAB	abbreviation
FDAPT	preferred
FDASY	synonym
FI	preferred
FN	preferred
GN	preferred
GO	preferred
GPCK	preferred
GT	entry_term
HC	hierarchical
HD	hierarchical
HGJKN1	hierarchical
HGJKN	hierarchical
HG	hierarchical
HS	abbreviation
HS	hierarchical
HTJKN1	hierarchical
HTJKN1	preferred
HTJKN	hierarchical
HTJKN	preferred
HTN	preferred
HT	hierarchical
HT	preferred
HX	expanded
HX	hierarchical
ICHAB	abbreviation
ICHPT	preferred
ICHSY	synonym
ID	abbreviation
ID	preferred
IN	preferred
IS	obsolete
IS	synonym
IT	entry_term
IVC	preferred
IV	preferred
JAXPT	preferred
JAXSY	synonym
KEGGAB	abbreviation
KEGGPT	preferred
KEGGSY	synonym
LC	preferred
LN	preferred
LO	obsolete
LPDN	preferred
LPN	preferred
LS	expanded
LTJKN1	entry_term
LTJKN	entry_term
LT	entry_term
LV	synonym
MD	preferred
MH	preferred
MIN	preferred
MP	attribute
MS	preferred
MTH_AB	abbreviation
MTH_ACR	abbreviation
MTH_BD	preferred
MTH_CHN	synonym
MTH_CN	expanded
MTH_CN	preferred
MTH_ET	entry_term
MTH_FN	preferred
MTH_HG	hierarchical
MTH_HT	hierarchical
MTH_HX	hierarchical
MTH_ID	preferred
MTH_IS	obsolete
MTH_IS	synonym
MTH_LN	expanded
MTH_LN	preferred
MTH_LO	expanded
MTH_LO	obsolete
MTH_LO	synonym
MTH_LPN	preferred
MTH_LT	entry_term
MTH_LV	synonym
MTH_NPT	synonym
MTH_OF	obsolete
MTH_OL	entry_term
MTH_OL	obsolete
MTH_OPN	obsolete
MTH_OPN	preferred
MTH_OP	obsolete
MTH_OP	preferred
MTH_OS	hierarchical
MTH_PTGB	preferred
MTH_PTN	preferred
MTH_PT	expanded
MTH_PT	preferred
MTH_RXN_BD	preferred
MTH_RXN_CDC	preferred
MTH_RXN_CD	preferred
MTH_RXN_DP	preferred
MTH_RXN_RHT	preferred
MTH_SI	preferred
MTH_SMQ	preferred
MTH_SYGB	synonym
MTH_SY	synonym
MV	preferred
N1	synonym
NA	preferred
NCI-GLOSSOP	obsolete
NCI-GLOSSPT	preferred
NCI-GLOSSSY	synonym
NCI-HL7AB	abbreviation
NCI-HL7PT	preferred
NCI-HL7SY	synonym
NCPDPPT	preferred
NICHDAB	abbreviation
NICHDPT	preferred
NICHDSY	synonym
NM	preferred
NPT	synonym
NP	synonym
NS	abbreviation
NS	synonym
NX	expanded
NX	synonym
OAM	abbreviation
OAM	attribute
OAM	obsolete
OA	abbreviation
OA	obsolete
OCD	obsolete
OCD	preferred
OC	preferred
OET	entry_term
OET	obsolete
OF	obsolete
OLC	obsolete
OLJKN1	entry_term
OLJKN1	obsolete
OLJKN	entry_term
OLJKN	obsolete
OL	entry_term
OL	obsolete
OM	attribute
OM	obsolete
ONP	obsolete
ONP	synonym
OOSN	obsolete
OPN	obsolete
OPN	preferred
OP	obsolete
OP	preferred
OR	preferred
OSJKN1	hierarchical
OSJKN	hierarchical
OSN	abbreviation
OSN	preferred
OS	hierarchical
PCE	entry_term
PCE	preferred
PC	preferred
PEN	entry_term
PEN	preferred
PEP	entry_term
PEP	preferred
PIDPT	preferred
PIN	preferred
PM	synonym
PN	preferred
PQ	attribute
PR	preferred
PSC	preferred
PS	abbreviation
PTAV	preferred
PTCS	preferred
PTGB	preferred
PTJKN1	preferred
PTJKN	preferred
PTN	preferred
PT	preferred
PXQ	entry_term
PX	expanded
PX	preferred
QAB	abbreviation
QEV	abbreviation
QSV	abbreviation
RAB	abbreviation
RENIDN	synonym
RHT	hierarchical
RPT	preferred
RS	other
RSY	synonym
RT	other
SBDC	preferred
SBDF	preferred
SBDG	preferred
SBD	preferred
SB	other
SCALE	attribute
SCDC	preferred
SCDF	preferred
SCDG	preferred
SCD	preferred
SCN	preferred
SC	other
SD	preferred
SI	preferred
SMQ	preferred
SP	preferred
SSN	abbreviation
SS	abbreviation
SS	synonym
ST	preferred
SU	preferred
SX	expanded
SX	synonym
SYGB	synonym
SYN	synonym
SY	synonym
TA	preferred
TC	hierarchical
TG	preferred
TMSY	synonym
TQ	attribute
TX	hierarchical
UAUN	synonym
UCN	preferred
UCUMAB	abbreviation
UCUMPT	preferred
UCUMSY	synonym
USN	preferred
USY	synonym
VAB	abbreviation
VPT	preferred
VS	preferred
VSY	synonym
XD	expanded
XD	preferred
XM	other
XQ	attribute
XQ	synonym
XX	expanded
XX	preferred
ZFINPT	preferred
ZFINSY	synonym

Unified Medical Language System® (UMLS®)

Abbreviations Used in Data Elements - 2013AA Release

Unified Medical Language System^® (UMLS^®)