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 472 of 2,187 · by category · by group · panels · answer lists · parts
Bordetella pertussis.pertussis toxin IgM Ab · Microbiology 23832-9 Borrelia burgdorferi Ab index and CSF (qualitative) · Microbiology 23833-7 Canary droppings IgE Ab RAST class (qualitative) · Allergy 23834-5 Carbon disulfide (Urine) · Drug and toxicology 23835-2 Carbon disulfide · Drug and toxicology 23836-0 Chicken serum proteins IgE Ab RAST class (qualitative) · Allergy 23837-8 Chlamydia trachomatis rRNA in Genital fluid (qualitative, probe) · Microbiology 23838-6 Cholinesterase (Red Blood Cells) · Chemistry 23839-4 Choriogonadotropin.beta subunit unadjusted · Chemistry 23840-2 Choriogonadotropin.beta subunit adjusted · Chemistry 23841-0 Cobalt (Synovial Fluid) · Drug and toxicology 23842-8 Cockatiel droppings Ab (qualitative, immune diffusion (id)) · Allergy 23843-6 C3 nephritic factor (Serum Or Plasma) · Hematology and blood count 23844-4 Coproporphyrin 1 in 24 hour Stool · Chemistry 23845-1 Coproporphyrin 3 in 24 hour Stool · Chemistry 23846-9 Cotton fibers IgE Ab · Allergy 23847-7 Creosol in Specimen · Drug and toxicology 23848-5 Creosol · Drug and toxicology 23849-3 Creosol (Urine) · Drug and toxicology 23850-1 Cyclohexanone · Drug and toxicology 23851-9 Deuteroporphyrin in unspecified time Stool · Chemistry 23852-7 Dimethylformamide/Creatinine (Urine) · Drug and toxicology 23853-5 Dioxin · Drug and toxicology 23854-3 Echinococcus granulosus IgE Ab · Allergy 23855-0 Endrin · Drug and toxicology 23856-8 Epidermis Ab (Tissue, immunofluorescence) · Serology 23857-6 Epstein Barr virus DNA (CSF, qualitative, naa with probe detection) · Microbiology 23858-4 Erythrocytes in Specimen (light microscopy) · Hematology and blood count 23859-2 Erythrocytes (Body Fluid, automated count) · Hematology and blood count 23860-0 Ethanol (Tissue) · Drug and toxicology 23861-8 Famotidine · Drug and toxicology 23862-6 Finch droppings IgE Ab RAST class (qualitative) · Allergy 23863-4 Flunitrazepam · Drug and toxicology 23864-2 FLUoxetine+Norfluoxetine (Urine, qualitative) · Drug and toxicology 23865-9 Glutaraldehyde (Urine, qualitative) · Drug and toxicology 23866-7 Hantavirus sin nombre IgG Ab · Microbiology 23867-5 Hantavirus sin nombre IgM Ab · Microbiology 23868-3 Hepatitis B virus DNA (viral load) (probe) · Microbiology 23869-1 Hepatitis C virus 100+5-1-1 Ab (qualitative, immunoblot) · Microbiology 23870-9 Hepatitis C virus NS5 Ab (qualitative, immunoblot) · Microbiology 23871-7 Heptacarboxylporphyrin I in unspecified time Stool · Chemistry 23872-5 Heptacarboxylporphyrin III in unspecified time Stool · Chemistry 23873-3 Hexacarboxylporphyrin I in unspecified time Stool · Chemistry 23874-1 Hexacarboxylporphyrin III in unspecified time Stool · Chemistry 23875-8 HIV 1 RNA (viral load) (probe with signal amplification) · Microbiology 23876-6 Anaplasma phagocytophilum IgG Ab (immunofluorescence) · Microbiology 23877-4 Anaplasma phagocytophilum IgM Ab (immunofluorescence) · Microbiology 23878-2 Immune complex (Body Fluid, c1q binding assay) · Serology 23879-0 Immune complex (Body Fluid, raji cell assay) · Serology 23880-8 Immune complex (Body Fluid, polyethylene glycol (peg) assay) · Serology 23881-6