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 463 of 2,187 · by category · by group · panels · answer lists · parts
Pseudorabies virus neutralizing antibody (qualitative, neutralization test) · Microbiology 23382-5 Pseudorabies virus Ag in Specimen (qualitative, immune stain) · Microbiology 23383-3 Pseudorabies virus Ag in Specimen (qualitative, immunoassay) · Microbiology 23384-1 Pseudorabies virus Ag in Specimen (qualitative, immunofluorescence) · Microbiology 23385-8 Pseudorabies virus Ag in Specimen (qualitative, neutralization test) · Microbiology 23386-6 Pseudorabies virus DNA in Specimen (qualitative, naa with probe detection) · Microbiology 23387-4 Rabies virus in Brain (qualitative, light microscopy) · Microbiology 23388-2 Rabies virus Ag in Brain (qualitative, immunoassay) · Microbiology 23389-0 Rabies virus Ag in Brain (qualitative, immune stain) · Microbiology 23390-8 Rabies virus Ag in Specimen (qualitative, immune stain) · Microbiology 23391-6 Rabies virus DNA (qualitative, probe) · Microbiology 23392-4 Rabies virus DNA (qualitative, amplified target) · Microbiology 23393-2 Reticuloendotheliosis virus Ab (qualitative, immunoassay) · Microbiology 23394-0 Reticuloendotheliosis virus Ab (qualitative) · Microbiology 23395-7 Rift valley fever virus neutralizing antibody (neutralization test) · Microbiology 23396-5 Rift valley fever virus Ab (qualitative) · Microbiology 23397-3 Rift valley fever virus Ab (hemagglutination inhibition) · Microbiology 23398-1 Rift valley fever virus Ab (qualitative, immunoassay) · Microbiology 23399-9 Rift valley fever virus Ab · Microbiology 23400-5 Rift valley fever virus Ag (Tissue, qualitative, neutralization test) · Microbiology 23401-3 Rift valley fever virus Ag (Blood, qualitative, neutralization test) · Microbiology 23402-1 Rift valley fever virus Ag in Specimen (qualitative, immunofluorescence) · Microbiology 23403-9 Rift valley fever virus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 23404-7 Rift valley fever virus Ag (Tissue, qualitative, immune diffusion (id)) · Microbiology 23405-4 Rift valley fever virus Ag (qualitative, immune diffusion (id)) · Microbiology 23406-2 Rinderpest virus neutralizing antibody (qualitative, neutralization test) · Microbiology 23407-0 Rinderpest virus Ab · Microbiology 23408-8 Rinderpest virus neutralizing antibody (neutralization test) · Microbiology 23409-6 Rinderpest virus Ab (qualitative, immunoassay) · Microbiology 23410-4 Rinderpest virus Ab (qualitative) · Microbiology 23411-2 Rinderpest virus Ag (Tissue, immunoassay) · Microbiology 23412-0 Rinderpest virus Ag in Specimen (qualitative, immunofluorescence) · Microbiology 23413-8 Rinderpest virus Ag in Exudate (qualitative, immunoelectrophoresis) · Microbiology 23414-6 Rinderpest virus Ag in Exudate (qualitative, immune diffusion (id)) · Microbiology 23415-3 Rinderpest virus Ag in Specimen (immunoassay) · Microbiology 23416-1 Rinderpest virus RNA in Specimen (qualitative, naa with probe detection) · Microbiology 23417-9 Salmonella abortus equi Ab (qualitative, agglutination) · Microbiology 23418-7 Salmonella abortus equi Ab (qualitative) · Microbiology 23419-5 Salmonella abortus ovis Ab (qualitative, complement fixation) · Microbiology 23420-3 Salmonella abortus ovis Ab (qualitative) · Microbiology 23421-1 Salmonella enteritidis IgG Ab (qualitative) · Microbiology 23422-9 Salmonella enteritidis IgG Ab in Egg yolk (qualitative, immunoassay) · Microbiology 23423-7 Salmonella enteritidis IgG Ab (qualitative, immunoassay) · Microbiology 23424-5 Salmonella enteritidis IgG Ab in Egg yolk (qualitative) · Microbiology 23425-2 Salmonella gallinarum Ab (Blood, qualitative, agglutination) · Microbiology 23426-0 Salmonella gallinarum Ab (qualitative) · Microbiology 23427-8 Salmonella gallinarum Ab (qualitative, immunoassay) · Microbiology 23428-6 Salmonella gallinarum Ab (qualitative, agglutination) · Microbiology 23429-4 Salmonella gallinarum Ab (qualitative) · Microbiology 23430-2 Salmonella gallinarum DNA in Specimen (qualitative, naa with probe detection) · Microbiology 23431-0