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Unified Medical Language System (UMLS)

LNC (LOINC) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T201Clinical Attribute8854746.0
T033Finding151987.9
T129Immunologic Factor122596.4
T116Amino Acid, Peptide, or Protein120526.3
T109Organic Chemical84934.4
T170Intellectual Product78464.1
T121Pharmacologic Substance52392.7
T081Quantitative Concept36361.9
T123Biologically Active Substance33171.7
T059Laboratory Procedure31351.6
T023Body Part, Organ, or Organ Component27241.4
T025Cell26401.4

Term Type Counts

Term TypeExpanded FormCount
LCLong common name83608
LNLOINC official fully specified name83608
MTH_LNMTH Official fully specified name with expanded abbreviations83567
OSNOfficial short name74141
LPNLOINC parts name69850
CNLOINC official component name38742
LALOINC answer12196
MTH_CNMTH Component, with abbreviations expanded.8536
LOObsolete official fully specified name2920
OLCObsolete Long common name2920
MTH_LOMTH Expanded LOINC obsolete fully specified name2919
OOSNObsolete official short name2527
LSExpanded system/sample type (The expanded version was created for the Metathesaurus and includes the full name of some abbreviations.)2229
LPDNLOINC parts display name365
HCHierarchical class357
HSShort or alternate version of hierarchical term356
XMCross mapping set1

Attribute Counts

Attribute TypeExpanded FormCount
LRN2Related names 286528
VERSION_FIRST_RELEASEDVersion first released86528
COMMON_SI_TEST_RANKCorresponding SI terms for 2000 common tests performed by laboratories in USA86528
COMMON_TEST_RANKNumeric ranking of approximately 2,000 common tests performed by hospitals86528
COMMON_ORDER_RANKRanking of approximately 300 common orders performed by laboratories in USA86528
LCNLOINC Classtype - 1 = Laboratory Class; 2 = Clinical Class; 3 = Claims Attachment; 4 = Surveys86528
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.86528
VERSION_LAST_CHANGEDVersion last changed86528
LOINC_COMPONENTLOINC component86528
LCLLOINC Class - arbitrary classification of terms in LOINC designed to assist LOINC development and to group related observations together (e.g. ABXBACT = Antibiotic susceptibility)86528
LCTLOINC Change Type Code - type of change made to a LOINC term.86528
LOINC_TIME_ASPECTLOINC time aspect86525
LOINC_SCALE_TYPLOINC scale type86519
LOINC_SYSTEMLOINC system86507
LOINC_PROPERTYLOINC property86504
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.70208
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 attachment56963
SEQ_NOSequence number49612
LOINC_METHOD_TYPLOINC method type44820
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.40176
RADLEX_PREF_NAMERadLex preferred name40176
PART_SEQ_ORDERPart sequence order39864
EXAMPLE_UNITSExample units34624
EXAMPLE_UCUM_UNITSThe Unified Code for Units of Measure (UCUM)34382
CHANGE_REASON_PUBLICDetailed explanation about special changes to the term over time.24461
OIDAnswer list OID16771
LSUSubmitted Units14580
EXTERNALLY_DEFINEDExternally defined12196
ANSWER_LIST_NAMEAnswer list name10878
ANSWER_LIST_IDAnswer list ID10878
SOSScope Statement10340
ANSWER_CODEAnswer code8747
LQSSurvey Question Source7480
HL7_ATTACHMENT_STRUCTUREHL7 attachment structure7008
ASSOC_OBSERVATIONSAssociated observations6978
LQTSurvey Question Text6718
RPIDRadLex Playbook ID6706
RADLEX_PLAYBOOK_LONG_NAMERadLex Playbook long name6701
EXTERNAL_COPYRIGHT_LINKExternal copyright link5198
COPYRIGHTCopyright5198
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
PANEL_TYPEPanel type3248
LMPLOINC Map to Code of the term that has superseded a term with a LCS value of DEPRECATED.3226
STATUS_REASONClassification of the reason for concept status in LOINC2536
STATUS_TEXTExplanation of concept status in narrative text in LOINC2450
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.919
LCDLOINC CDISC common tests833
IEEE_REFIDIEEE REF ID639
IEEE_CF_CODE10IEEE CF Code10634
LFOLOINC Formula - regression equation details for many OB.US calculated terms.566
IEEE_DIMIEEE DIM563
IEEE_UOM_UCUMIEEE UOM UCUM524
IEEE_DESCRIPTIONIEEE description490
LSPLOINC Species code266
UNITS_AND_RANGEUnits and range204
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 prompt33
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/component_ofhas relationship other than synonymous, narrower, or broader/Component of212807
RO/has_componenthas relationship other than synonymous, narrower, or broader/Has component212807
PAR/has parent relationship in a Metathesaurus source vocabulary /Empty relationship attribute201257
CHD/has child relationship in a Metathesaurus source vocabulary /Empty relationship attribute201257
RO/has_systemhas relationship other than synonymous, narrower, or broader/Has system124780
RO/system_ofhas relationship other than synonymous, narrower, or broader/System of124780
RO/has_classhas relationship other than synonymous, narrower, or broader/Has class95248
RO/class_ofhas relationship other than synonymous, narrower, or broader/Class of95248
SY/mth_expanded_form_ofsource asserted synonymy./MTH expanded form of95023
SY/mth_has_expanded_formsource asserted synonymy./MTH has expanded form95023
RO/has_fragments_for_synonymshas relationship other than synonymous, narrower, or broader/Has fragments for synonyms91121
RO/fragments_for_synonyms_ofhas relationship other than synonymous, narrower, or broader/Fragments for synonyms of91121
SY/has_common_namesource asserted synonymy./Has common name86528
SY/common_name_ofsource asserted synonymy./common name of86528
RO/time_aspect_ofhas relationship other than synonymous, narrower, or broader/Time aspect of86198
RO/has_time_aspecthas relationship other than synonymous, narrower, or broader/Has time aspect86198
RO/has_scalehas relationship other than synonymous, narrower, or broader/Has scale83454
RO/scale_ofhas relationship other than synonymous, narrower, or broader/Scale of83454
RO/has_propertyhas relationship other than synonymous, narrower, or broader/Has property82789
RO/property_ofhas relationship other than synonymous, narrower, or broader/Property of82789
SY/has_expanded_formsource asserted synonymy./Has expanded form77020
SY/expanded_form_ofsource asserted synonymy./Expanded form of77020
RO/measureshas relationship other than synonymous, narrower, or broader/Measures76905
RO/measured_byhas relationship other than synonymous, narrower, or broader/Measured by76905
RO/analyzed_byhas relationship other than synonymous, narrower, or broader/Analyzed by70437
RO/analyzeshas relationship other than synonymous, narrower, or broader/Analyzes70437
RO/has_methodhas relationship other than synonymous, narrower, or broader/Has method60944
RO/method_ofhas relationship other than synonymous, narrower, or broader/Method of60944
RO/has_answerhas relationship other than synonymous, narrower, or broader/has answer49612
RO/answer_tohas relationship other than synonymous, narrower, or broader/answer to49612
RN/member_ofhas a narrower relationship/Member of36423
RB/has_memberhas a broader relationship/Has member36423
RO/has_suffixhas relationship other than synonymous, narrower, or broader/Has suffix32474
RO/suffix_ofhas relationship other than synonymous, narrower, or broader/Suffix of32474
RO/has_multiparthas relationship other than synonymous, narrower, or broader/Has multipart20799
RO/multipart_ofhas relationship other than synonymous, narrower, or broader/Multipart of20799
RO/has_challengehas relationship other than synonymous, narrower, or broader/Has challenge19039
RO/challenge_ofhas relationship other than synonymous, narrower, or broader/Challenge of19039
RO/supersystem_ofhas relationship other than synonymous, narrower, or broader/Supersystem of17316
RO/has_supersystemhas relationship other than synonymous, narrower, or broader/Has supersystem17316
RO/evaluation_ofhas relationship other than synonymous, narrower, or broader/Evaluation of8335
RO/has_evaluationhas relationship other than synonymous, narrower, or broader/Has evaluation8335
RO/has_imaged_locationhas relationship other than synonymous, narrower, or broader/Has imaged location6118
RO/is_imaged_location_forhas relationship other than synonymous, narrower, or broader/Is imaged location for6118
RO/is_modality_type_forhas relationship other than synonymous, narrower, or broader/Is modality type for5832
RO/has_modality_typehas relationship other than synonymous, narrower, or broader/has modality type5832
RO/has_imaging_focushas relationship other than synonymous, narrower, or broader/Has imaging focus5258
RO/is_imaging_focus_ofhas relationship other than synonymous, narrower, or broader/Is imaging focus of5258
RO/has_divisorhas relationship other than synonymous, narrower, or broader/Has divisor5065
RO/divisor_ofhas relationship other than synonymous, narrower, or broader/Divisor of5065
RO/has_lateral_anatomic_locationhas relationship other than synonymous, narrower, or broader/Has lateral anatomic location3374
RO/is_lateral_anatomic_location_ofhas relationship other than synonymous, narrower, or broader/Is lateral anatomic location of3374
RO/is_presence_of_lateral_locationhas relationship other than synonymous, narrower, or broader/Is presence of lateral location3359
RO/has_lateral_location_presencehas relationship other than synonymous, narrower, or broader/Has lateral location presence3359
RQ/mapped_torelated and possibly synonymous./Mapped to3226
RQ/mapped_fromrelated and possibly synonymous./Mapped from3226
RO/is_aggregation_view_ofhas relationship other than synonymous, narrower, or broader/Is aggregation view of3020
RO/has_aggregation_viewhas relationship other than synonymous, narrower, or broader/Has aggregation view3020
RO/is_timing_forhas relationship other than synonymous, narrower, or broader/Is timing for2597
RO/has_timing_ofhas relationship other than synonymous, narrower, or broader/Has timing of2597
RO/associated_withhas relationship other than synonymous, narrower, or broader/Associated with2576
RO/has_given_pharmaceutical_substancehas relationship other than synonymous, narrower, or broader/Has given pharmaceutical substance2352
RO/is_given_pharmaceutical_substance_forhas relationship other than synonymous, narrower, or broader/Is given pharmaceutical substance for2352
RO/is_pharmaceutical_route_forhas relationship other than synonymous, narrower, or broader/Is pharmaceutical route for1881
RO/has_pharmaceutical_routehas relationship other than synonymous, narrower, or broader/Has_pharmaceutical_route1881
RO/has_view_typehas relationship other than synonymous, narrower, or broader/Has view type1534
RO/is_view_type_forhas relationship other than synonymous, narrower, or broader/Is view type for1534
RO/is_modality_subtype_forhas relationship other than synonymous, narrower, or broader/Is modality subtype for1057
RO/has_modality_subtypehas relationship other than synonymous, narrower, or broader/Has modality subtype1057
RO/has_action_guidancehas relationship other than synonymous, narrower, or broader/Has action guidance896
RO/is_action_guidance_forhas relationship other than synonymous, narrower, or broader/Is action guidance for896
RO/has_presence_guidancehas relationship other than synonymous, narrower, or broader/Has presence guidance884
RO/is_presence_guidance_forhas relationship other than synonymous, narrower, or broader/Is presence guidance for884
RO/has_object_guidancehas relationship other than synonymous, narrower, or broader/Has object guidance423
RO/is_object_guidance_forhas relationship other than synonymous, narrower, or broader/Is object guidance for423
RO/is_maneuver_type_forhas relationship other than synonymous, narrower, or broader/Is maneuver type for379
RO/has_maneuver_typehas relationship other than synonymous, narrower, or broader/has maneuver type379
RO/has_examhas relationship other than synonymous, narrower, or broader/Has exam367
RO/is_exam_forhas relationship other than synonymous, narrower, or broader/Is exam for367
RO/has_quotienthas relationship other than synonymous, narrower, or broader/Has quotient336
RO/quotient_ofhas relationship other than synonymous, narrower, or broader/Quotient of336
RO/has_approach_guidancehas relationship other than synonymous, narrower, or broader/Has approach guidance301
RO/is_approach_guidance_forhas relationship other than synonymous, narrower, or broader/Is approach guidance for301
RO/has_adjustmenthas relationship other than synonymous, narrower, or broader/Has adjustment285
RO/adjustment_ofhas relationship other than synonymous, narrower, or broader/Adjustment of285
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/is_subject_ofhas relationship other than synonymous, narrower, or broader/Is subject of25
RO/has_subjecthas relationship other than synonymous, narrower, or broader/Has subject25

Definition Count

Count
231

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
LNC-ZH-CN76561/17126844.7
LNC-IT-IT66094/17126838.6
LNC-PT-BR58420/17126834.1
LNC-RU-RU57308/17126833.5
LNC-ES-ES52942/17126830.9
LNC-NL-NL52310/17126830.5
LNC-TR-TR50904/17126829.7
LNC-FR-FR47733/17126827.9
LNC-FR-BE45760/17126826.7
LNC-FR-CA45118/17126826.3
LNC-ES-AR38199/17126822.3
LNC-ET-EE31143/17126818.2
LNC-KO-KR26837/17126815.7
SNOMEDCT_US11181/1712686.5
SCTSPA10986/1712686.4
LNC-DE-DE11043/1712686.4
CHV6740/1712683.9
NCI6366/1712683.7
MSH6380/1712683.7
SNMI5679/1712683.3
RCD5492/1712683.2
LNC-IT-CH4939/1712682.9
LNC-ES-CH4940/1712682.9
LNC-FR-CH4940/1712682.9
LNC-DE-CH4941/1712682.9
MSHFRE4982/1712682.9
MSHSPA4805/1712682.8
MSHITA4806/1712682.8
MSHPOR4824/1712682.8
MSHCZE4874/1712682.8
MSHGER4878/1712682.8
MSHSWE4369/1712682.6
MSHPOL4387/1712682.6
MSHRUS4388/1712682.6
MSHJPN4104/1712682.4
MSHFIN4188/1712682.4
SNM3511/1712682.1
CSP3089/1712681.8
MSHNOR3164/1712681.8
NDFRT2931/1712681.7
LCH_NW2353/1712681.4
MSHDUT2366/1712681.4
AOD2465/1712681.4
MSHSCR2168/1712681.3
LNC-EL-GR2233/1712681.3
MEDCIN2254/1712681.3
NCI_FDA1836/1712681.1