LOINC codes
The universal code system for lab observations. Every biomarker on this site is anchored to a LOINC code; a code page says what its parts mean.
By class
435 classes · the 32 with 500 codes or more Microbiology · MICRO 14,888 Chemistry · CHEM 10,855 Drug and toxicology · DRUG/TOX 8,921 Radiology · RAD 7,440 Allergy · ALLERGY 6,024 Challenge tests · CHAL 3,964 Document ontology · DOC.ONTOLOGY 3,759 PhenX measures · PHENX 3,686 Serology · SERO 3,167 Lab orders · LABORDERS.ONTOLOGY 2,546 PROMIS survey · SURVEY.PROMIS 2,463 Hematology and blood count · HEM/BC 2,449 Antibiotic susceptibility · ABXBACT 2,115 Cell markers · CELLMARK 1,746 General health survey · SURVEY.GNHLTH 1,629 Molecular pathology, mutations · MOLPATH.MUT 1,293 Blood bank · BLDBK 1,113 Coagulation · COAG 1,002 CMS survey · SURVEY.CMS 968 History and physical · H&P.HX 901 Pulmonary · PULM 878 PANEL.SURVEY.CMS 866 MDS survey · SURVEY.MDS 864 Cardiac ultrasound · CARD.US 817 Obstetric ultrasound · OB.US 793 Pathology · PATH 707 Molecular pathology · MOLPATH 704 PANEL.PHENX 704 Urinalysis · UA 597 HLA typing · HLA 526 H&P.PX 507 CLIN 502
All codes, by number
109,325 codes · page 432 of 2,187 · by category · by group · panels · answer lists · parts
Coding system 1970/80/90 Census tract at cancer diagnosis · TUMRRGT 21832-1 Alternate census tract at cancer diagnosis · TUMRRGT 21833-9 Coding system Census tract at cancer diagnosis alternate · TUMRRGT 21834-7 Coding system.current Race · TUMRRGT 21835-4 Coding system.original Race · TUMRRGT 21836-2 Hispanic origin Best estimate · TUMRRGT 21837-0 Ethnicity Computed · TUMRRGT 21838-8 Derivation method Computed Ethnicity · TUMRRGT 21839-6 Sex · TUMRRGT 21840-4 Age at cancer diagnosis · TUMRRGT 21841-2 Birthplace · ADMIN.PATIENT.DEMOG 21842-0 History of Usual occupation · TUMRRGT 21843-8 History of Usual industry · TUMRRGT 21844-6 Source of information Usual occupational Hx · TUMRRGT 21845-3 Source of information Usual industry Hx · TUMRRGT 21846-1 Usual occupation Narrative · TUMRRGT 21847-9 Usual industry Narrative · TUMRRGT 21848-7 Coding system Occupational and Industry Hx · TUMRRGT 21849-5 Family history of Cancer Narrative · TUMRRGT 21850-3 Address at cancer diagnosis · TUMRRGT 21851-1 Census tract certainty 1970and80and90 · TUMRRGT 21852-9 Sequence number central.patient Cancer (qualitative) · TUMRRGT 21853-7 Date first Dx Cancer · TUMRRGT 21854-5 Primary site Cancer · TUMRRGT 21855-2 Histology ICD-O-2 Cancer · TUMRRGT 21856-0 Behavior ICD-O-2 Cancer · TUMRRGT 21857-8 Grade Cancer · TUMRRGT 21858-6 Coding system.original Cancer site · TUMRRGT 21859-4 Coding system.original Cancer morphology · TUMRRGT 21860-2 Dx confirmed (cancer) · TUMRRGT 21861-0 Source of document used to abstract Cancer · TUMRRGT 21862-8 Date last screened Cancer · TUMRRGT 21863-6 Most recent screening result for Cancer · TUMRRGT 21864-4 Hospital.reporting Cancer · TUMRRGT 21865-1 Patient ID.hospital · TUMRRGT 21866-9 Sequence number.hospital Cancer (qualitative) · TUMRRGT 21867-7 User ID.hospital assigned Abstractor · TUMRRGT 21868-5 Hospital admission.first contact Cancer · TUMRRGT 21869-3 Date of inpatient admission Cancer · TUMRRGT 21870-1 Date of inpatient discharge Cancer · TUMRRGT 21871-9 Relationship between this hospital and cancer Dx · TUMRRGT 21872-7 Year first seen at this hospital for Cancer · TUMRRGT 21873-5 Cancer conference.presentation status at reporting facility · TUMRRGT 21874-3 Cancer conference · TUMRRGT 21875-0 Surgery procedure for primary site at facility.YYY Cancer · TUMRRGT 21876-8 Surgery procedure for regional nodes at facility.YYY Cancer · TUMRRGT 21877-6 Other regional disease at facility.YYY most definitive procedure Cancer · TUMRRGT 21878-4 Surgery.regional nodes examined at facility.YYY most definitive procedure Surgery Cancer · TUMRRGT 21879-2 Radiation treatment therapy Cancer · TUMRRGT 21880-0 Chemotherapy treatment at facility.YYY Cancer · TUMRRGT 21881-8