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 458 of 2,187 · by category · by group · panels · answer lists · parts
Histoplasma farciminosum Ab (qualitative, immunofluorescence) · Microbiology 23132-4 Histoplasma farciminosum Ab (qualitative, immunoassay) · Microbiology 23133-2 Histoplasma farciminosum Ab (qualitative, hemagglutination) · Microbiology 23134-0 Histoplasma farciminosum Ab (qualitative) · Microbiology 23135-7 Histoplasma capsulatum farciminosum reaction wheal --1 day post dose intradermal · CHALSKIN 23136-5 Histoplasma capsulatum farciminosum reaction wheal --2 days post dose intradermal · CHALSKIN 23137-3 Histoplasma capsulatum farciminosum reaction wheal --3 days post dose intradermal · CHALSKIN 23138-1 Infectious bursal disease virus Ab · Microbiology 23139-9 Infectious bursal disease virus Ab (immune diffusion (id)) · Microbiology 23140-7 Infectious bursal disease virus neutralizing antibody (neutralization test) · Microbiology 23141-5 Infectious bursal disease virus Ag in Specimen (qualitative, neutralization test) · Microbiology 23142-3 Infectious bursal disease virus Ag in Bursa of Fabricius (qualitative, immune diffusion (id)) · Microbiology 23143-1 Japanese encephalitis virus neutralizing antibody (neutralization test) · Microbiology 23144-9 Japanese encephalitis virus Ab (complement fixation) · Microbiology 23145-6 Japanese encephalitis virus Ab (qualitative, hemagglutination inhibition) · Microbiology 23146-4 Japanese encephalitis virus Ab · Microbiology 23147-2 Japanese encephalitis virus Ag in Specimen (qualitative, immunofluorescence) · Microbiology 23148-0 Japanese encephalitis virus Ag in Specimen (qualitative, hemagglutination inhibition) · Microbiology 23149-8 Leishmania donovani Ag (Tissue, qualitative, immune stain) · Microbiology 23150-6 Leishmania reaction wheal --3 days post 0.1 mL leishmanin intradermal · CHALSKIN 23151-4 Leishmania sp Ab · Microbiology 23152-2 Leishmania sp Ab (qualitative, immunoassay) · Microbiology 23153-0 Leishmania sp Ab (hemagglutination) · Microbiology 23154-8 Leishmania sp Ab (qualitative, immunoelectrophoresis) · Microbiology 23155-5 Leishmania sp Ab (immunofluorescence) · Microbiology 23156-3 Leishmania sp Ab (qualitative, agglutination) · Microbiology 23157-1 Leishmania sp rRNA in Specimen (probe) · Microbiology 23158-9 Leishmania sp DNA in Specimen (naa with probe detection) · Microbiology 23159-7 Leishmania sp identified (Tissue, immunofluorescence) · Microbiology 23160-5 Leishmania sp identified (Tissue, electrophoresis) · Microbiology 23161-3 Leishmania sp identified (Tissue, polyacrylamide gel electrophoresis (page)) · Microbiology 23162-1 Leptospira interrogans sv Australis Ab (qualitative, agglutination) · Microbiology 23163-9 Leptospira interrogans sv Australis Ab (qualitative) · Microbiology 23164-7 Leptospira interrogans sv Autumnalis Ab (qualitative, agglutination) · Microbiology 23165-4 Leptospira interrogans sv Autumnalis Ab (qualitative) · Microbiology 23166-2 Leptospira borgpetersenii sv Ballum Ab (qualitative) · Microbiology 23167-0 Leptospira borgpetersenii sv Ballum Ab (qualitative, agglutination) · Microbiology 23168-8 Leptospira interrogans sv Bataviae Ab (qualitative, agglutination) · Microbiology 23169-6 Leptospira interrogans sv Bataviae Ab (qualitative) · Microbiology 23170-4 Leptospira interrogans sv Bratislava Ab (qualitative, agglutination) · Microbiology 23171-2 Leptospira interrogans sv Bratislava Ab (qualitative) · Microbiology 23172-0 Leptospira interrogans sv Canicola Ab (qualitative) · Microbiology 23173-8 Leptospira interrogans sv Canicola Ab (qualitative, agglutination) · Microbiology 23174-6 Leptospira interrogans sv Copenhageni Ab (qualitative) · Microbiology 23175-3 Leptospira interrogans sv Copenhageni Ab (qualitative, agglutination) · Microbiology 23176-1 Leptospira interrogans sv Grippotyphosa Ab (qualitative) · Microbiology 23177-9 Leptospira interrogans sv Grippotyphosa Ab (qualitative, agglutination) · Microbiology 23178-7 Leptospira interrogans sv Hardjo Ab (qualitative, immunoassay) · Microbiology 23179-5 Leptospira interrogans sv Hardjo Ab (qualitative, agglutination) · Microbiology 23180-3 Leptospira interrogans sv Hardjo Ab (qualitative) · Microbiology 23181-1