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 102 of 2,187 · by category · by group · panels · answer lists · parts
Aspergillus niger Ab · Microbiology 5051-8 Aspergillus sp Ab (qualitative, immune diffusion (id)) · Microbiology 5052-6 Aspergillus sp Ab (complement fixation) · Microbiology 5053-4 Babesia sp Ab (immunofluorescence) · Microbiology 5054-2 Bacillus anthracis Ab (hemagglutination) · Microbiology 5055-9 Basement membrane Ab (qualitative, immunofluorescence) · Serology 5056-7 Blastomyces dermatitidis Ab (complement fixation) · Microbiology 5057-5 Blastomyces dermatitidis Ab (qualitative, immune diffusion (id)) · Microbiology 5058-3 Bordetella pertussis Ab (immunoassay) · Microbiology 5059-1 Borrelia burgdorferi Ab (immunoassay) · Microbiology 5060-9 Borrelia burgdorferi Ab (immunofluorescence) · Microbiology 5061-7 Borrelia burgdorferi IgG Ab (immunoassay) · Microbiology 5062-5 Borrelia burgdorferi IgG Ab (immunofluorescence) · Microbiology 5063-3 Borrelia burgdorferi IgM Ab (immunoassay) · Microbiology 5064-1 Borrelia burgdorferi IgM Ab (immunofluorescence) · Microbiology 5065-8 Brucella abortus Ab (qualitative, latex agglutination) · Microbiology 5066-6 Brucella abortus Ab (latex agglutination) · Microbiology 5067-4 Brucella canis Ab (latex agglutination) · Microbiology 5068-2 Brucella melitensis Ab (latex agglutination) · Microbiology 5069-0 Brucella sp IgM Ab · Microbiology 5070-8 Brucella suis Ab (latex agglutination) · Microbiology 5071-6 Brush border Ab · Serology 5072-4 La Crosse virus Ab · Microbiology 5073-2 Candida albicans Ab (qualitative, immune diffusion (id)) · Microbiology 5074-0 Candida albicans Ag (latex agglutination) · Microbiology 5075-7 Cardiolipin IgA Ab (immunoassay) · Coagulation 5076-5 Centromere Ab (immunofluorescence) · Serology 5077-3 Chlamydophila pneumoniae Ab · Microbiology 5078-1 Chlamydophila psittaci Ab (complement fixation) · Microbiology 5079-9 Chlamydophila psittaci IgG Ab · Microbiology 5080-7 Chlamydophila psittaci IgM Ab · Microbiology 5081-5 Chlamydia sp Ab (immunoassay) · Microbiology 5082-3 Chlamydia sp Ab (complement fixation) · Microbiology 5083-1 Chlamydia sp Ab (immunofluorescence) · Microbiology 5084-9 Chlamydia sp IgG Ab · Microbiology 5085-6 Chlamydia sp IgM Ab · Microbiology 5086-4 Chlamydia trachomatis Ab (complement fixation) · Microbiology 5087-2 Chlamydia trachomatis Ab (immunofluorescence) · Microbiology 5088-0 Chlamydia trachomatis IgG Ab · Microbiology 5089-8 Chlamydia trachomatis IgM Ab · Microbiology 5090-6 Chymotrypsin Ab · Serology 5091-4 Clostridium tetani Ab · Microbiology 5092-2 Clostridium tetani Ab (qualitative) · Microbiology 5093-0 Coccidioides immitis Ab (immunoassay) · Microbiology 5094-8 Coccidioides immitis Ab (qualitative, immune diffusion (id)) · Microbiology 5095-5 Coccidioides immitis Ab (complement fixation) · Microbiology 5096-3 Cold agglutinin (qualitative, agglutination) · Serology 5097-1 Cold agglutinin (agglutination) · Serology 5098-9 Coronavirus Ab · Microbiology 5099-7 Coxiella burnetii Ab (complement fixation) · Microbiology 5100-3