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 410 of 2,187 · by category · by group · panels · answer lists · parts
Brucella abortus Ab in Whey (qualitative, ring agglutination) · Microbiology 20724-1 Brucella abortus Ab in Milk (qualitative, ring agglutination) · Microbiology 20725-8 Brucella abortus Ab (qualitative, card agglutination) · Microbiology 20726-6 Brucella abortus Ab (qualitative, acidified buffered plate agglutination) · Microbiology 20727-4 Brucella abortus Ab (qualitative, complement fixation) · Microbiology 20728-2 Brucella abortus Ab (plate agglutination) · Microbiology 20729-0 Brucella abortus Ab (qualitative, immunoassay) · Microbiology 20730-8 Brucella abortus Ab (qualitative, immunoassay (eia) rst) · Microbiology 20731-6 Brucella ovis Ab (qualitative, immunoassay) · Microbiology 20732-4 Brucella ovis Ab (qualitative, complement fixation) · Microbiology 20733-2 Brucella sp identified (Tissue, organism specific culture) · Microbiology 20734-0 Brucella sp identified in Milk (organism specific culture) · Microbiology 20735-7 Cache valley virus neutralizing antibody (qualitative, neutralization test) · Microbiology 20736-5 Cadmium (Tissue) · Drug and toxicology 20737-3 Campylobacter sp identified in Isolate (organism specific culture) · Microbiology 20738-1 Campylobacter sp identified (Body Fluid, organism specific culture) · Microbiology 20739-9 Campylobacter sp identified (Tissue, organism specific culture) · Microbiology 20740-7 Canarypox virus Ag (qualitative, immunofluorescence) · Microbiology 20741-5 Canine distemper virus Ag in Conjunctival specimen (qualitative, immunofluorescence) · Microbiology 20742-3 Caprine arthritis encephalitis virus Ab (qualitative, immune diffusion (id)) · Microbiology 20743-1 Caprine arthritis encephalitis virus Ab (qualitative, immunoassay) · Microbiology 20744-9 Carbamates in Gastric fluid (qualitative, screen method) · Drug and toxicology 20745-6 Carbamates in Specimen (qualitative, screen method) · Drug and toxicology 20746-4 Carbamates in Ingesta (qualitative, screen method) · Drug and toxicology 20747-2 Carbamates (Tissue, qualitative, screen method) · Drug and toxicology 20748-0 Carbamates in Feed (qualitative, screen method) · Drug and toxicology 20749-8 Chicken anemia virus neutralizing antibody (qualitative, neutralization test) · Microbiology 20750-6 Chicken anemia virus Ab (qualitative, immunoassay) · Microbiology 20751-4 Chlamydophila psittaci in Specimen (qualitative, organism specific culture) · Microbiology 20752-2 Chlamydophila psittaci Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20753-0 Chlamydophila psittaci Ab (qualitative, complement fixation) · Microbiology 20754-8 Chlamydia sp Ag (Body Fluid, qualitative, immunoassay) · Microbiology 20755-5 Chlamydia sp Ag (Stool, qualitative, immunoassay) · Microbiology 20756-3 Chlamydia sp Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20757-1 Cholinesterase in Brain · Chemistry 20758-9 Chromium (Tissue) · Drug and toxicology 20759-7 Clostridium chauvoei Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20760-5 Clostridioides difficile (Stool, qualitative, agglutination) · Microbiology 20761-3 Clostridioides difficile (Stool, qualitative, aerobe culture) · Microbiology 20762-1 Clostridium novyii Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20763-9 Clostridium perfringens genotype in Isolate · Microbiology 20764-7 Clostridium septicum Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20765-4 Clostridium sordellii Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20766-2 Coccidioides immitis in Isolate (qualitative) · Microbiology 20767-0 Coccidioides immitis Ab (qualitative, complement fixation) · Microbiology 20768-8 Coliform bacteria in Water (viability count) · Microbiology 20769-6 Coliform bacteria (viability count) · Microbiology 20770-4 Coliform bacteria in Egg (viability count) · Microbiology 20771-2 Coliform colony count in Milk · Microbiology 20772-0 Colony count in Milk (culture standard plate count) · Microbiology 20773-8