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 412 of 2,187 · by category · by group · panels · answer lists · parts
Freezing point of Milk · SPEC 20824-9 Fumonisin in Feed · Drug and toxicology 20825-6 Gallotannin · Drug and toxicology 20826-4 Gallotannin in Gastric fluid · Drug and toxicology 20827-2 Gallotannin in Plant · Drug and toxicology 20828-0 Glycol (Tissue) · Drug and toxicology 20829-8 Glycol (Urine) · Drug and toxicology 20830-6 Glycolate (Tissue) · Chemistry 20831-4 Gossypol in Feed · Drug and toxicology 20832-2 Haemophilus paragallinarum serotype in Isolate · Microbiology 20833-0 Herbicide in Unspecified specimen · Drug and toxicology 20834-8 Herbicide in Ingesta · Drug and toxicology 20835-5 Herbicide (Tissue) · Drug and toxicology 20836-3 Herbicide in Feed · Drug and toxicology 20837-1 Herbicide in Gastric fluid (qualitative, screen method) · Drug and toxicology 20838-9 Herbicide in Specimen (qualitative, screen method) · Drug and toxicology 20839-7 Herbicide in Ingesta (qualitative, screen method) · Drug and toxicology 20840-5 Herbicide (Tissue, qualitative, screen method) · Drug and toxicology 20841-3 Herbicide in Feed (qualitative, screen method) · Drug and toxicology 20842-1 Avian infectious laryngotracheitis virus Ag in Trachea (qualitative, immunofluorescence) · Microbiology 20843-9 Avian infectious laryngotracheitis virus Ag in Lung tissue (qualitative, immunofluorescence) · Microbiology 20844-7 Bovine herpesvirus 1 Ab (qualitative, immunoassay) · Microbiology 20845-4 Bovine herpesvirus 1 Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20846-2 Bovine herpesvirus 2 Ag in Exudate (qualitative, immunofluorescence) · Microbiology 20847-0 Bovine herpesvirus 2 Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20848-8 Bovine herpesvirus 4 Ag (Body Fluid, qualitative, immunofluorescence) · Microbiology 20849-6 Bovine herpesvirus 4 Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20850-4 Bovine herpesvirus 5 Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20851-2 Duck enteritis virus Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20852-0 Equine herpesvirus 1 Ag in Tracheal swab (qualitative, immunofluorescence) · Microbiology 20853-8 Equine herpesvirus 1 Ag (Tissue, qualitative, immunofluorescence) · Microbiology 20854-6 IgG.bovine (immune diffusion (id)) · Chemistry 20855-3 IgG.equine from Fetus (Body Fluid, immune diffusion (id)) · Chemistry 20856-1 IgG.equine in Colostrum (immune diffusion (id)) · Chemistry 20857-9 Infectious bronchitis virus genotype in Isolate (polyacrylamide gel electrophoresis (page)) · Microbiology 20858-7 Infectious bronchitis virus serotype in Isolate (neutralization test) · Microbiology 20859-5 Infectious bronchitis virus (Tissue, qualitative, organism specific culture) · Microbiology 20860-3 Infectious bronchitis virus genotype in Isolate (naa with probe detection) · Microbiology 20861-1 Influenza virus A Ab (qualitative, hemagglutination inhibition) · Microbiology 20862-9 Iodine in Water · Drug and toxicology 20863-7 Iodine in Milk · Drug and toxicology 20864-5 Iodine in Liver · Drug and toxicology 20865-2 Lactobacillus acidophilus colony count in Milk (organism specific culture) · Microbiology 20866-0 Lead in Bone · Drug and toxicology 20867-8 Leptospira sp (Tissue, qualitative, immunofluorescence) · Microbiology 20868-6 Leptospira sp (Tissue, qualitative, organism specific culture) · Microbiology 20869-4 Listeria sp in Milk (qualitative, organism specific culture) · Microbiology 20870-2 Listeria sp in Cheese (qualitative, organism specific culture) · Microbiology 20871-0 Magnesium in Ocular fluid · Chemistry 20872-8 Alcelaphine herpesvirus 1 neutralizing antibody (qualitative, neutralization test) · Microbiology 20873-6