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 135 of 2,187 · by category · by group · panels · answer lists · parts
11-Hydroxyandrosterone in 24 hour Urine · Chemistry 6701-7 11-Ketoandrosterone in 24 hour Urine · Chemistry 6702-5 11-Ketoetiocholanolone in 24 hour Urine · Chemistry 6703-3 11-Ketopregnanetriol in 24 hour Urine · Chemistry 6704-1 Androsterone in 24 hour Urine · Chemistry 6705-8 buPROPion · Drug and toxicology 6706-6 CD16-CD57+ · Cell markers 6707-4 Echovirus 11 Ab (complement fixation) · Microbiology 6708-2 Hippurate (Urine) · Drug and toxicology 6709-0 Hydroxyproline in 24 hour Urine · Chemistry 6710-8 Acetaminophen IgE Ab · Allergy 6711-6 Ampicillin IgE Ab · Allergy 6712-4 Baker's yeast IgG Ab · Allergy 6713-2 Beef IgG Ab · Allergy 6714-0 Brewer's yeast IgG Ab · Allergy 6715-7 Cardiolipin IgG Ab (immunoassay) · Coagulation 6716-5 Cardiolipin IgM Ab (immunoassay) · Coagulation 6717-3 Cashew nut IgE Ab · Allergy 6718-1 Cherry IgE Ab · Allergy 6719-9 Chocolate IgG Ab · Allergy 6720-7 Codfish IgG Ab · Allergy 6721-5 Coffee IgG Ab · Allergy 6722-3 Corn IgG Ab · Allergy 6723-1 Cucumber IgE Ab · Allergy 6724-9 Egg white IgG Ab · Allergy 6725-6 False oat grass IgE Ab · Allergy 6726-4 Honey bee IgG Ab · Allergy 6727-2 Latex glove extract IgE Ab · Allergy 6728-0 Cow milk IgG Ab · Allergy 6729-8 Orange IgG Ab · Allergy 6730-6 Paper wasp IgG Ab · Allergy 6731-4 Peanut IgG Ab · Allergy 6732-2 Pigeon serum Ab (qualitative, immune diffusion (id)) · Allergy 6733-0 Pork IgG Ab · Allergy 6734-8 Soybean IgG Ab · Allergy 6735-5 Tomato IgG Ab · Allergy 6736-3 Wheat IgG Ab · Allergy 6737-1 Yellow Dock IgE Ab · Allergy 6738-9 Yellow Hornet IgG Ab · Allergy 6739-7 Yellow Jacket IgE Ab · Allergy 6740-5 Erythrocytes (Body Fluid, manual count) · Hematology and blood count 6741-3 Erythrocyte · Hematology and blood count 6742-1 Leukocytes (Body Fluid, manual count) · Hematology and blood count 6743-9 Lymphocytes (Body Fluid, manual count) · Hematology and blood count 6744-7 Segmented neutrophils (Body Fluid, manual count) · Hematology and blood count 6745-4 Prolymphocytes/Leukocytes (manual count) · Hematology and blood count 6746-2 Glucose (Urine, qualitative, test strip --1 hour post 50 g lactose po) · Challenge tests 6747-0 Glucose (Urine, qualitative, test strip --1 hour post 75 g glucose po) · Challenge tests 6748-8 Glucose --2.5 hours post 75 g glucose PO · Challenge tests 6749-6 Glucose (Urine, qualitative, test strip --2 hours post 50 g lactose po) · Challenge tests 6750-4