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 107 of 2,187 · by category · by group · panels · answer lists · parts
Ribonucleoprotein extractable nuclear Ab (qualitative, immunoassay) · Serology 5301-7 Ribonucleoprotein extractable nuclear Ab (qualitative, immune diffusion (id)) · Serology 5302-5 Rickettsia (Proteus OX19) Ab (qualitative, latex agglutination) · Microbiology 5303-3 Rickettsia (Proteus OX2) Ab (qualitative, latex agglutination) · Microbiology 5304-1 Rickettsia (Proteus OXK) Ab (qualitative, latex agglutination) · Microbiology 5305-8 Rickettsia sp Ab (complement fixation) · Microbiology 5306-6 Rickettsia rickettsii IgG Ab (immunofluorescence) · Microbiology 5307-4 Rickettsia rickettsii IgM Ab (immunofluorescence) · Microbiology 5308-2 Rickettsia spotted fever group Ab (immunoassay) · Microbiology 5309-0 Rickettsia spotted fever group Ab (qualitative, latex agglutination) · Microbiology 5310-8 Rickettsia spotted fever group Ab (immunofluorescence) · Microbiology 5311-6 Rickettsia spotted fever group IgG Ab (immunoassay) · Microbiology 5312-4 Rickettsia spotted fever group IgG Ab (immunofluorescence) · Microbiology 5313-2 Rickettsia spotted fever group IgM Ab (immunoassay) · Microbiology 5314-0 Rickettsia spotted fever group IgM Ab (immunofluorescence) · Microbiology 5315-7 Rickettsia typhus group Ab (qualitative, immunoassay) · Microbiology 5316-5 Rickettsia typhus group Ab (qualitative, latex agglutination) · Microbiology 5317-3 Rickettsia typhus group Ab (immunofluorescence) · Microbiology 5318-1 Rickettsia typhus group IgG Ab (immunoassay) · Microbiology 5319-9 Rickettsia typhus group IgG Ab (immunofluorescence) · Microbiology 5320-7 Rickettsia typhus group IgM Ab (immunoassay) · Microbiology 5321-5 Rickettsia typhus group IgM Ab (immunofluorescence) · Microbiology 5322-3 Orientia tsutsugamushi Ab (complement fixation) · Microbiology 5323-1 Rickettsia typhi IgG Ab (immunofluorescence) · Microbiology 5324-9 Rickettsia typhi IgM Ab (immunofluorescence) · Microbiology 5325-6 Bartonella henselae IgG Ab · Microbiology 5326-4 Bartonella henselae IgM Ab · Microbiology 5327-2 Rotavirus Ab · Microbiology 5328-0 Rotavirus Ab (counterimmunoelectrophoresis (cie)) · Microbiology 5329-8 Rubella virus Ab (hemagglutination inhibition) · Microbiology 5330-6 Rubella virus Ab (qualitative, hemagglutination inhibition) · Microbiology 5331-4 Rubella virus Ab (qualitative, latex agglutination) · Microbiology 5332-2 Rubella virus Ab (latex agglutination) · Microbiology 5333-0 Rubella virus IgG Ab (immunoassay) · Microbiology 5334-8 Rubella virus IgM Ab (immunoassay) · Microbiology 5335-5 Saccharomonospora viridis Ab · Microbiology 5336-3 Salivary gland Ab · Serology 5337-1 Salmonella sp Ab (latex agglutination) · Microbiology 5338-9 Salmonella paratyphi A H Ab (qualitative, latex agglutination) · Microbiology 5339-7 Salmonella paratyphi A O Ab (qualitative, latex agglutination) · Microbiology 5340-5 Salmonella paratyphi B H Ab (qualitative, latex agglutination) · Microbiology 5341-3 Salmonella paratyphi B O Ab (qualitative, latex agglutination) · Microbiology 5342-1 Salmonella paratyphi C H Ab (qualitative, latex agglutination) · Microbiology 5343-9 Salmonella paratyphi C O Ab (qualitative, latex agglutination) · Microbiology 5344-7 Salmonella typhi H Ab (qualitative, latex agglutination) · Microbiology 5345-4 Salmonella typhi O Ab (qualitative, latex agglutination) · Microbiology 5346-2 Schistosoma sp Ab · Microbiology 5347-0 SCL-70 extractable nuclear Ab (qualitative, immunoassay) · Serology 5348-8 SCL-70 extractable nuclear Ab (qualitative, immune diffusion (id)) · Serology 5349-6 Shigella sp Ab · Microbiology 5350-4