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 409 of 2,187 · by category · by group · panels · answer lists · parts
Avian adenovirus 2 Ag (Tissue, qualitative, immune diffusion (id)) · Microbiology 20674-8 Bovine adenovirus 3 Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20675-5 Bovine adenovirus 5 Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20676-3 Equine adenovirus Ag in Lung (qualitative, immunofluorescence) · Microbiology 20677-1 Alkaloid identified (Urine, thin layer chromatography (tlc)) · Drug and toxicology 20678-9 Alkaloid identified in Plant (thin layer chromatography (tlc)) · Drug and toxicology 20679-7 Alkaloid identified in Ingesta (thin layer chromatography (tlc)) · Drug and toxicology 20680-5 Alpha tocopherol (Tissue) · Chemistry 20681-3 Ammonia (Urine) · Chemistry 20682-1 Ammonia in Ingesta · Chemistry 20683-9 Ammonia · Chemistry 20684-7 Anaplasma marginale Ab (qualitative, card agglutination) · Microbiology 20685-4 Anaplasma marginale Ab (qualitative, complement fixation) · Microbiology 20686-2 Arsenic in Gastric fluid · Drug and toxicology 20687-0 Aspergillus sp identified in Litter (organism specific culture) · Microbiology 20688-8 Babesia caballi Ab (qualitative, complement fixation) · Microbiology 20689-6 Theileria equi Ab (qualitative, complement fixation) · Microbiology 20690-4 Bacillus anthracis in Unspecified specimen (qualitative, organism specific culture) · Microbiology 20691-2 Bacillus cereus in Food (qualitative, culture fda method) · Microbiology 20692-0 Bacteria identified in Litter (aerobe culture) · Microbiology 20693-8 Bacteria identified in Embryo (aerobe culture) · Microbiology 20694-6 Bacteria in Mother's milk · Microbiology 20695-3 Bifidobacterium sp in Milk (organism specific culture) · Microbiology 20696-1 Amines.biogenic in Feed · Drug and toxicology 20697-9 Bluetongue virus serotype in Isolate · Microbiology 20698-7 Bluetongue virus Ab (qualitative, complement fixation) · Microbiology 20699-5 Bluetongue virus RNA (Tissue, qualitative, naa with probe detection) · Microbiology 20700-1 Bluetongue virus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20701-9 Bluetongue virus in Specimen (qualitative, organism specific culture) · Microbiology 20702-7 Border disease virus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20703-5 Border disease virus Ag (Blood, qualitative, immunofluorescence) · Microbiology 20704-3 Clostridium botulinum toxin (animal inoculation) · Microbiology 20705-0 Clostridium botulinum toxin in Specimen (animal inoculation) · Microbiology 20706-8 Bovine leukemia virus Ab (qualitative, immune diffusion (id)) · Microbiology 20707-6 Bovine papular stomatitis virus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20708-4 Bovine diarrhea virus RNA (Tissue, qualitative, naa with probe detection) · Microbiology 20709-2 Bovine diarrhea virus RNA (qualitative, naa with probe detection) · Microbiology 20710-0 Bovine diarrhea virus Ag in Nose (qualitative, immunofluorescence) · Microbiology 20711-8 Bovine diarrhea virus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20712-6 Bovine diarrhea virus Ag (Blood, qualitative, immunofluorescence) · Microbiology 20713-4 Bovine diarrhea virus Ag (Stool, qualitative, immunofluorescence) · Microbiology 20714-2 Bovine diarrhea virus Ag (qualitative, immune stain) · Microbiology 20715-9 Bovine diarrhea virus (qualitative, organism specific culture) · Microbiology 20716-7 Bovine diarrhea virus 2 Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20717-5 Bromide in Ocular fluid · Drug and toxicology 20718-3 Brucella abortus Ab (tube agglutination) · Microbiology 20719-1 Brucella abortus Ab in Milk (qualitative, serial ring agglutination) · Microbiology 20720-9 Brucella abortus Ab (Semen, qualitative, agglutination) · Microbiology 20721-7 Brucella abortus Ab (rivanol agglutination) · Microbiology 20722-5 Brucella abortus Ab (qualitative, rapid agglutination) · Microbiology 20723-3