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 104 of 2,187 · by category · by group · panels · answer lists · parts
Entamoeba histolytica Ab (hemagglutination) · Microbiology 5151-6 Epidermis Ab (immunofluorescence) · Serology 5152-4 Epstein Barr virus early Ab (qualitative, immunoassay) · Microbiology 5153-2 Epstein Barr virus early Ab (qualitative, immunofluorescence) · Microbiology 5154-0 Epstein Barr virus nuclear IgG Ab (qualitative, immunofluorescence) · Microbiology 5155-7 Epstein Barr virus nuclear IgG Ab (qualitative, immunoassay) · Microbiology 5156-5 Epstein Barr virus capsid IgG Ab (immunoassay) · Microbiology 5157-3 Epstein Barr virus capsid IgG Ab (immunofluorescence) · Microbiology 5158-1 Epstein Barr virus capsid IgM Ab (immunoassay) · Microbiology 5159-9 Epstein Barr virus capsid IgM Ab (immunofluorescence) · Microbiology 5160-7 Erythrocyte Ab · Serology 5161-5 Fasciola hepatica Ab · Microbiology 5162-3 Fasciola sp Ab · Microbiology 5163-1 Fc fragment Ab · Serology 5164-9 Filaria Ab (hemagglutination) · Microbiology 5165-6 Francisella tularensis Ab (qualitative, latex agglutination) · Microbiology 5166-4 Francisella tularensis Ab (latex agglutination) · Microbiology 5167-2 Gall canaliculi Ab · Serology 5168-0 Giardia lamblia Ab · Microbiology 5169-8 Gliadin IgG Ab · Serology 5170-6 Neutrophil Ab · Serology 5171-4 Streptococcus pyogenes enzyme Ab (qualitative, latex agglutination) · Microbiology 5172-2 Streptococcus pyogenes enzyme Ab (latex agglutination) · Microbiology 5173-0 Helicobacter pylori Ab (immunoassay) · Microbiology 5174-8 Helicobacter pylori Ab (latex agglutination) · Microbiology 5175-5 Helicobacter pylori IgG Ab (immunoassay) · Microbiology 5176-3 Helicobacter pylori IgM Ab (immunoassay) · Microbiology 5177-1 Haemophilus influenzae Ab (immunoassay) · Microbiology 5178-9 Hepatitis A virus IgG Ab (immunoassay) · Microbiology 5179-7 Hepatitis A virus IgG Ab (radioimmunoassay (ria)) · Microbiology 5180-5 Hepatitis A virus IgM Ab (immunoassay) · Microbiology 5181-3 Hepatitis A virus IgM Ab (radioimmunoassay (ria)) · Microbiology 5182-1 Hepatitis A virus Ab (immunoassay) · Microbiology 5183-9 Hepatitis A virus Ab (radioimmunoassay (ria)) · Microbiology 5184-7 Hepatitis B virus core IgM Ab (immunoassay) · Microbiology 5185-4 Hepatitis B virus core IgM Ab (radioimmunoassay (ria)) · Microbiology 5186-2 Hepatitis B virus core Ab (immunoassay) · Microbiology 5187-0 Hepatitis B virus core Ab (radioimmunoassay (ria)) · Microbiology 5188-8 Hepatitis B virus e Ab (immunoassay) · Microbiology 5189-6 Hepatitis B virus e Ab (radioimmunoassay (ria)) · Microbiology 5190-4 Hepatitis B virus e Ag (immunoassay) · Microbiology 5191-2 Hepatitis B virus e Ag (qualitative, radioimmunoassay (ria)) · Microbiology 5192-0 Hepatitis B virus surface Ab (immunoassay) · Microbiology 5193-8 Hepatitis B virus surface Ab (radioimmunoassay (ria)) · Microbiology 5194-6 Hepatitis B virus surface Ag (qualitative) · Microbiology 5195-3 Hepatitis B virus surface Ag (qualitative, immunoassay) · Microbiology 5196-1 Hepatitis B virus surface Ag (qualitative, radioimmunoassay (ria)) · Microbiology 5197-9 Hepatitis C virus Ab (immunoassay) · Microbiology 5198-7 Hepatitis C virus Ab (qualitative, immunoblot) · Microbiology 5199-5 Hepatitis D virus Ab (immunoassay) · Microbiology 5200-1