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Unified Medical Language System (UMLS)

LNC (LOINC) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T201Clinical Attribute8546645.3
T033Finding150778.0
T129Immunologic Factor121986.5
T116Amino Acid, Peptide, or Protein119816.3
T170Intellectual Product86624.6
T109Organic Chemical83214.4
T121Pharmacologic Substance51782.7
T081Quantitative Concept35981.9
T123Biologically Active Substance33051.8
T059Laboratory Procedure31271.7
T025Cell26371.4
T023Body Part, Organ, or Organ Component26201.4

Term Type Counts

Term TypeExpanded FormCount
LCLong common name82054
LNLOINC official fully specified name82054
MTH_LNMTH Official fully specified name with expanded abbreviations82015
OSNOfficial short name72943
LPNLOINC parts name68359
CNLOINC official component name37826
LALOINC answer11928
MTH_CNMTH Component, with abbreviations expanded.8433
LOObsolete official fully specified name2814
OLCObsolete Long common name2814
MTH_LOMTH Expanded LOINC obsolete fully specified name2813
OOSNObsolete official short name2421
LSExpanded system/sample type (The expanded version was created for the Metathesaurus and includes the full name of some abbreviations.)2186
LPDNLOINC parts display name365
HCHierarchical class355
HSShort or alternate version of hierarchical term354
XMCross mapping set1

Attribute Counts

Attribute TypeExpanded FormCount
LRN2Related names 284868
VERSION_FIRST_RELEASEDVersion first released84868
COMMON_SI_TEST_RANKCorresponding SI terms for 2000 common tests performed by laboratories in USA84868
COMMON_ORDER_RANKRanking of approximately 300 common orders performed by laboratories in USA84868
COMMON_TEST_RANKNumeric ranking of approximately 2,000 common tests performed by hospitals84868
LCNLOINC Classtype - 1 = Laboratory Class; 2 = Clinical Class; 3 = Claims Attachment; 4 = Surveys84868
LCSLOINC status - valid values are "ACTIVE," "TRIAL," "DISCOURAGED," "DEPRECATED." For "DEPRECATED" or "DISCOURAGED" concepts, the term that should now be used may appear in the LMP element.84868
VERSION_LAST_CHANGEDVersion last changed84868
LOINC_COMPONENTLOINC component84868
LCLLOINC Class - arbitrary classification of terms in LOINC designed to assist LOINC development and to group related observations together (e.g. ABXBACT = Antibiotic susceptibility)84868
LCTLOINC Change Type Code - type of change made to a LOINC term.84868
LOINC_TIME_ASPECTLOINC time aspect84867
LOINC_SCALE_TYPLOINC scale type84859
LOINC_SYSTEMLOINC system84848
LOINC_PROPERTYLOINC property84844
LORLOINC ORDER_OBS field. Defines term as order only, observation only, or both. Values are: BOTH OBSERVATION ORDER. A fourth category, Subset, is used for terms that are subsets of a panel but do not represent a package that is known to be orderable.68237
LURUnits required when used as OBX segment - a Y/N field that indicates that units are required when this LOINC is included as an OBX segment in a HIPAA attachment56961
SEQ_NOSequence number48769
LOINC_METHOD_TYPLOINC method type43599
PART_SEQ_ORDERPart sequence order37453
RIDRead Codes Term_id - identifier assigned to a Read term, used in referring to the term in the Read file structure, and may be used in clinical information systems.37445
RADLEX_PREF_NAMERadLex preferred name37445
EXAMPLE_UNITSExample units34180
EXAMPLE_UCUM_UNITSThe Unified Code for Units of Measure (UCUM)33951
CHANGE_REASON_PUBLICDetailed explanation about special changes to the term over time.23927
OIDAnswer list OID16458
LSUSubmitted Units14578
EXTERNALLY_DEFINEDExternally defined11928
ANSWER_LIST_NAMEAnswer list name10712
ANSWER_LIST_IDAnswer list ID10712
SOSScope Statement10003
ANSWER_CODEAnswer code8499
LQSSurvey Question Source7544
LQTSurvey Question Text6771
HL7_ATTACHMENT_STRUCTUREHL7 attachment structure6645
ASSOC_OBSERVATIONSAssociated observations6593
EXTERNAL_COPYRIGHT_LINKExternal copyright link5173
COPYRIGHTCopyright5173
RPIDRadLex Playbook ID5165
RADLEX_PLAYBOOK_LONG_NAMERadLex Playbook long name5160
LEALOINC Example Answers - for some tests and measurements, LOINC has supplied examples of valid answers. These values differ from those in the ANSWERLIST field because that details possible values for nominal scale terms.4885
LMPLOINC Map to Code of the term that has superseded a term with a LCS value of DEPRECATED.3108
PANEL_TYPEPanel type2985
STATUS_REASONClassification of the reason for concept status in LOINC2430
STATUS_TEXTExplanation of concept status in narrative text in LOINC2329
TOP_2000_LAB_RESULTS_SITop 2000 lab results SI2192
TOP_2000_LAB_RESULTS_USTop 2000 lab results US2178
UNIVERSAL_LAB_ORDERS_VALUE_SETA value of "TRUE" indicates that the LOINC NUM is a member of the LOINC Universal Lab Orders Value Set1523
LOINC_SCOREA numeric score associated with a LOINC answer ('LA') concept.926
LCDLOINC CDISC common tests833
IEEE_REFIDIEEE REF ID590
IEEE_CF_CODE10IEEE CF Code10586
LFOLOINC Formula - regression equation details for many OB.US calculated terms.564
IEEE_DIMIEEE DIM521
IEEE_UOM_UCUMIEEE UOM UCUM499
IEEE_DESCRIPTIONIEEE description452
LSPLOINC Species code266
GLOBAL_IDGlobal ID250
GLOBAL_ID_CODE_SYSTEMGlobal ID code system249
UNITS_AND_RANGEUnits and range204
DOCUMENT_SECTIONClassification of whether this LOINC code can be used a full document, a section of a document, or both.198
CONSUMER_NAMEAn experimental (beta) consumer friendly name195
ANSWER_CODE_SYSTEMAnswer code system119
HL7_FIELD_SUBFIELD_IDA value which indicates the content should be delivered in the named field/subfield of the HL7 message. When NULL, the data should be sent in an OBX segment with this LOINC code stored in OBX-3 and with the value in the OBX-591
HL7_ATTACHMENT_REQUESTHL7 attachment request79
EXTERNAL_LIST_LINKLink to external list42
SUBSEQUENT_TEXT_PROMPTSubsequent text prompt29
ASK_AT_ORDER_ENTRYAsk at Order Entry (AOE) observations for a clinical observation or laboratory test3
EXTERNALLY_DEFINED_CODE_SYSTEMExternally defined answer list code system2
MTH_MAPSETCOMPLEXITYIndicates the overall complexity of a map set1
MAPSETVERSIONVersion of the map set1
TOVSABVersioned source abbreviation for the "to" identifiers of a map set1
FROMVSABVersioned source abbreviation for the "from" identifiers of a map set1
MAPSETVSABVersioned source abbreviation for a map set1
MAPSETRSABRoot source abbreviation for a map set1
MTH_MAPFROMCOMPLEXITYIndicates the complexity of "from" expressions used in a map set1
MTH_MAPTOCOMPLEXITYIndicates the complexity of "to" expressions in a map set1
TORSABRoot source abbreviation for the "to" identifiers of a map set1
MTH_MAPTOEXHAUSTIVEIndicates whether or not the "to" source is completely mapped1
MTH_MAPFROMEXHAUSTIVEIndicates whether or not the "from" source of a map set is completely mapped1
FROMRSABRoot source abbreviation for the "from" identifiers of a map set1

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
RO/has_componenthas relationship other than synonymous, narrower, or broader/Has component208735
RO/component_ofhas relationship other than synonymous, narrower, or broader/Component of208735
CHD/has child relationship in a Metathesaurus source vocabulary /Empty relationship attribute197391
PAR/has parent relationship in a Metathesaurus source vocabulary /Empty relationship attribute197391
RO/system_ofhas relationship other than synonymous, narrower, or broader/System of122019
RO/has_systemhas relationship other than synonymous, narrower, or broader/Has system122019
RO/class_ofhas relationship other than synonymous, narrower, or broader/Class of93289
RO/has_classhas relationship other than synonymous, narrower, or broader/Has class93289
SY/mth_has_expanded_formsource asserted synonymy./MTH has expanded form93262
SY/mth_expanded_form_ofsource asserted synonymy./MTH expanded form of93262
RO/fragments_for_synonyms_ofhas relationship other than synonymous, narrower, or broader/Fragments for synonyms of88797
RO/has_fragments_for_synonymshas relationship other than synonymous, narrower, or broader/Has fragments for synonyms88797
SY/common_name_ofsource asserted synonymy./common name of84868
SY/has_common_namesource asserted synonymy./Has common name84868
RO/time_aspect_ofhas relationship other than synonymous, narrower, or broader/Time aspect of84546
RO/has_time_aspecthas relationship other than synonymous, narrower, or broader/Has time aspect84546
RO/has_scalehas relationship other than synonymous, narrower, or broader/Has scale82038
RO/scale_ofhas relationship other than synonymous, narrower, or broader/Scale of82038
RO/property_ofhas relationship other than synonymous, narrower, or broader/Property of81390
RO/has_propertyhas relationship other than synonymous, narrower, or broader/Has property81390
SY/expanded_form_ofsource asserted synonymy./Expanded form of75714
SY/has_expanded_formsource asserted synonymy./Has expanded form75714
RO/measured_byhas relationship other than synonymous, narrower, or broader/Measured by75604
RO/measureshas relationship other than synonymous, narrower, or broader/Measures75604
RO/analyzeshas relationship other than synonymous, narrower, or broader/Analyzes69227
RO/analyzed_byhas relationship other than synonymous, narrower, or broader/Analyzed by69227
RO/method_ofhas relationship other than synonymous, narrower, or broader/Method of59104
RO/has_methodhas relationship other than synonymous, narrower, or broader/Has method59104
RO/has_answerhas relationship other than synonymous, narrower, or broader/has answer48769
RO/answer_tohas relationship other than synonymous, narrower, or broader/answer to48769
RB/has_memberhas a broader relationship/Has member34639
RN/member_ofhas a narrower relationship/Member of34639
RO/has_suffixhas relationship other than synonymous, narrower, or broader/Has suffix32168
RO/suffix_ofhas relationship other than synonymous, narrower, or broader/Suffix of32168
RO/has_multiparthas relationship other than synonymous, narrower, or broader/Has multipart20412
RO/multipart_ofhas relationship other than synonymous, narrower, or broader/Multipart of20412
RO/has_challengehas relationship other than synonymous, narrower, or broader/Has challenge18774
RO/challenge_ofhas relationship other than synonymous, narrower, or broader/Challenge of18774
RO/supersystem_ofhas relationship other than synonymous, narrower, or broader/Supersystem of16855
RO/has_supersystemhas relationship other than synonymous, narrower, or broader/Has supersystem16855
RO/has_evaluationhas relationship other than synonymous, narrower, or broader/Has evaluation7976
RO/evaluation_ofhas relationship other than synonymous, narrower, or broader/Evaluation of7976
RO/is_imaged_location_forhas relationship other than synonymous, narrower, or broader/Is imaged location for5766
RO/has_imaged_locationhas relationship other than synonymous, narrower, or broader/Has imaged location5766
RO/has_modality_typehas relationship other than synonymous, narrower, or broader/has modality type5524
RO/is_modality_type_forhas relationship other than synonymous, narrower, or broader/Is modality type for5524
RO/has_divisorhas relationship other than synonymous, narrower, or broader/Has divisor4983
RO/divisor_ofhas relationship other than synonymous, narrower, or broader/Divisor of4983
RO/is_imaging_focus_ofhas relationship other than synonymous, narrower, or broader/Is imaging focus of4952
RO/has_imaging_focushas relationship other than synonymous, narrower, or broader/Has imaging focus4952
RO/has_lateral_anatomic_locationhas relationship other than synonymous, narrower, or broader/Has lateral anatomic location3266
RO/is_lateral_anatomic_location_ofhas relationship other than synonymous, narrower, or broader/Is lateral anatomic location of3266
RO/has_lateral_location_presencehas relationship other than synonymous, narrower, or broader/Has lateral location presence3251
RO/is_presence_of_lateral_locationhas relationship other than synonymous, narrower, or broader/Is presence of lateral location3251
RQ/mapped_torelated and possibly synonymous./Mapped to3108
RQ/mapped_fromrelated and possibly synonymous./Mapped from3108
RO/has_aggregation_viewhas relationship other than synonymous, narrower, or broader/Has aggregation view2977
RO/is_aggregation_view_ofhas relationship other than synonymous, narrower, or broader/Is aggregation view of2977
RO/associated_withhas relationship other than synonymous, narrower, or broader/Associated with2576
RO/has_timing_ofhas relationship other than synonymous, narrower, or broader/Has timing of2475
RO/is_timing_forhas relationship other than synonymous, narrower, or broader/Is timing for2475
RO/has_given_pharmaceutical_substancehas relationship other than synonymous, narrower, or broader/Has given pharmaceutical substance2240
RO/is_given_pharmaceutical_substance_forhas relationship other than synonymous, narrower, or broader/Is given pharmaceutical substance for2240
RO/has_pharmaceutical_routehas relationship other than synonymous, narrower, or broader/Has_pharmaceutical_route1787
RO/is_pharmaceutical_route_forhas relationship other than synonymous, narrower, or broader/Is pharmaceutical route for1787
RO/is_view_type_forhas relationship other than synonymous, narrower, or broader/Is view type for1530
RO/has_view_typehas relationship other than synonymous, narrower, or broader/Has view type1530
RO/has_modality_subtypehas relationship other than synonymous, narrower, or broader/Has modality subtype1023
RO/is_modality_subtype_forhas relationship other than synonymous, narrower, or broader/Is modality subtype for1023
RO/has_presence_guidancehas relationship other than synonymous, narrower, or broader/Has presence guidance700
RO/is_presence_guidance_forhas relationship other than synonymous, narrower, or broader/Is presence guidance for700
RO/is_action_guidance_forhas relationship other than synonymous, narrower, or broader/Is action guidance for690
RO/has_action_guidancehas relationship other than synonymous, narrower, or broader/Has action guidance690
RO/has_maneuver_typehas relationship other than synonymous, narrower, or broader/has maneuver type379
RO/is_maneuver_type_forhas relationship other than synonymous, narrower, or broader/Is maneuver type for379
RO/has_examhas relationship other than synonymous, narrower, or broader/Has exam342
RO/is_exam_forhas relationship other than synonymous, narrower, or broader/Is exam for342
RO/quotient_ofhas relationship other than synonymous, narrower, or broader/Quotient of336
RO/has_quotienthas relationship other than synonymous, narrower, or broader/Has quotient336
RO/adjustment_ofhas relationship other than synonymous, narrower, or broader/Adjustment of285
RO/has_adjustmenthas relationship other than synonymous, narrower, or broader/Has adjustment285
RO/has_object_guidancehas relationship other than synonymous, narrower, or broader/Has object guidance275
RO/is_object_guidance_forhas relationship other than synonymous, narrower, or broader/Is object guidance for275
RO/has_time_modifierhas relationship other than synonymous, narrower, or broader/Has time modifier204
RO/time_modifier_ofhas relationship other than synonymous, narrower, or broader/Time modifier of204
RO/has_counthas relationship other than synonymous, narrower, or broader/Has count148
RO/count_ofhas relationship other than synonymous, narrower, or broader/count_of148
RO/has_approach_guidancehas relationship other than synonymous, narrower, or broader/Has approach guidance62
RO/is_approach_guidance_forhas relationship other than synonymous, narrower, or broader/Is approach guidance for62
RO/has_subjecthas relationship other than synonymous, narrower, or broader/Has subject25
RO/is_subject_ofhas relationship other than synonymous, narrower, or broader/Is subject of25

Definition Count

Count
227

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
LNC-ZH-CN74764/16784444.5
LNC-IT-IT63649/16784437.9
LNC-PT-BR58420/16784434.8
LNC-RU-RU56944/16784433.9
LNC-ES-ES52549/16784431.3
LNC-TR-TR50520/16784430.1
LNC-NL-NL50273/16784430.0
LNC-FR-FR48833/16784429.1
LNC-FR-BE45444/16784427.1
LNC-FR-CA44658/16784426.6
LNC-ES-AR38199/16784422.8
LNC-ET-EE30997/16784418.5
LNC-KO-KR26837/16784416.0
LNC-DE-DE11043/1678446.6
SNOMEDCT_US11045/1678446.6
SCTSPA10590/1678446.3
CHV6656/1678444.0
NCI6243/1678443.7
MSH6258/1678443.7
SNMI5621/1678443.3
RCD5438/1678443.2
MSHGER4791/1678442.9
MSHFRE4892/1678442.9
LNC-IT-CH4939/1678442.9
LNC-ES-CH4940/1678442.9
LNC-FR-CH4940/1678442.9
LNC-DE-CH4941/1678442.9
MSHSPA4699/1678442.8
MSHPOR4719/1678442.8
MSHITA4727/1678442.8
MSHCZE4770/1678442.8
MSHPOL4315/1678442.6
MSHRUS4315/1678442.6
MSHSWE4315/1678442.6
MSHFIN4142/1678442.5
MSHJPN4057/1678442.4
SNM3479/1678442.1
MSHNOR3002/1678441.8
CSP3058/1678441.8
NDFRT2896/1678441.7
LCH_NW2331/1678441.4
MSHDUT2337/1678441.4
AOD2429/1678441.4
MSHSCR2135/1678441.3
MEDCIN2194/1678441.3
LNC-EL-GR2210/1678441.3
NCI_FDA1790/1678441.1