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 47 of 2,187 · by category · by group · panels · answer lists · parts
Aldolase · Chemistry 2301-0 Fumarase · Chemistry 2302-8 Fumarate (Urine) · Chemistry 2303-6 Fumarylacetoacetate · Chemistry 2304-4 Galactokinase (Red Blood Cells) · Chemistry 2305-1 Galactose (Blood, qualitative) · Chemistry 2306-9 Galactose (Blood) · Chemistry 2307-7 Galactose · Chemistry 2308-5 Galactose (Urine, qualitative) · Chemistry 2309-3 Galactose (Urine) · Chemistry 2310-1 Galactose renal clearance in 24 hour Urine and Serum or Plasma · Chemistry 2311-9 Galactose 1 phosphate (Red Blood Cells) · Chemistry 2312-7 Galactose 1 phosphate uridyl transferase (Red Blood Cells, qualitative) · Chemistry 2313-5 Galactose 1 phosphate uridyl transferase (Red Blood Cells) · Chemistry 2314-3 Galactosylceramidase (Tissue) · Chemistry 2315-0 Galactosylgalactosylglucosylceramidase (Tissue) · Chemistry 2316-8 Gamma aminobutyrate (qualitative) · Chemistry 2317-6 Gamma aminobutyrate · Chemistry 2318-4 Gamma aminobutyrate (Urine) · Chemistry 2319-2 Gamma glutamyl cysteine synthetase (Red Blood Cells) · Chemistry 2320-0 Gamma glutamyl cysteine synthetase · Chemistry 2321-8 Gamma glutamyl transferase (Amniotic Fluid) · Chemistry 2322-6 Gamma glutamyl transferase (Semen) · Chemistry 2323-4 Gamma glutamyl transferase · Chemistry 2324-2 Gamma glutamyl transferase/Aspartate aminotransferase · Chemistry 2325-9 Gastric inhibitory polypeptide · Chemistry 2326-7 Gastrin releasing polypeptide (CSF) · Chemistry 2327-5 Gastrin releasing polypeptide (CSF) · Chemistry 2328-3 Gastrin releasing polypeptide · Chemistry 2329-1 Gastrin.34 residue fragment · Chemistry 2330-9 Gastrin.17 residue fragment · Chemistry 2331-7 Gastrin.14 residue fragment · Chemistry 2332-5 Gastrin · Chemistry 2333-3 Hemoglobin in Gastric fluid from gastrointestinal (qualitative) · Chemistry 2334-1 Hemoglobin from gastrointestinal (Stool, qualitative) · Chemistry 2335-8 Globulin · Chemistry 2336-6 Glucagon (Amniotic Fluid) · Chemistry 2337-4 Glucagon · Chemistry 2338-2 Glucose (Blood) · Chemistry 2339-0 Glucose (Blood, automated test strip) · Chemistry 2340-8 Glucose (Blood, test strip manual) · Chemistry 2341-6 Glucose (CSF) · Chemistry 2342-4 Glucose in Dialysis fluid · Chemistry 2343-2 Glucose (Body Fluid) · Chemistry 2344-0 Glucose · Chemistry 2345-7 Glucose (Pleural Fluid) · Chemistry 2346-5 Glucose (Peritoneal Fluid) · Chemistry 2347-3 Glucose (Synovial Fluid) · Chemistry 2348-1 Glucose (Urine, qualitative) · Chemistry 2349-9 Glucose (Urine) · Chemistry 2350-7