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 51 of 2,187 · by category · by group · panels · answer lists · parts
Iron binding capacity.unsaturated · Chemistry 2501-5 Iron saturation · Chemistry 2502-3 Iron.chelated (Urine) · Chemistry 2503-1 Iron (Urine) · Chemistry 2504-9 Iron/Iron binding capacity.total · Chemistry 2505-6 Isocitrate dehydrogenase · Chemistry 2506-4 Isoleucine (qualitative) · Chemistry 2507-2 Isoleucine · Chemistry 2508-0 Isoleucine (Urine) · Chemistry 2509-8 Isoleucine in 24 hour Urine · Chemistry 2510-6 Keratan sulfate (Blood) · Chemistry 2511-4 Keratan sulfate (Urine) · Chemistry 2512-2 Ketones (qualitative) · Chemistry 2513-0 Ketones (Urine, qualitative, test strip) · Chemistry 2514-8 Kynurenate (Urine) · Chemistry 2515-5 L-iditol dehydrogenase (Amniotic Fluid) · Chemistry 2516-3 L-iditol dehydrogenase · Chemistry 2517-1 Lactate (Arterial Blood) · Chemistry 2518-9 Lactate (Venous Blood) · Chemistry 2519-7 Lactate (CSF) · Chemistry 2520-5 Lactate in Gastric fluid (qualitative) · Chemistry 2521-3 Lactate (Pleural Fluid) · Chemistry 2522-1 Lactate (Peritoneal Fluid) · Chemistry 2523-9 Lactate · Chemistry 2524-7 Lactate (Synovial Fluid) · Chemistry 2525-4 Lactate in 24 hour Urine · Chemistry 2526-2 Lactate dehydrogenase (Amniotic Fluid) · Chemistry 2527-0 Lactate dehydrogenase (CSF) · Chemistry 2528-8 Lactate dehydrogenase (Body Fluid) · Chemistry 2529-6 Lactate dehydrogenase (Pleural Fluid) · Chemistry 2530-4 Lactate dehydrogenase (Peritoneal Fluid) · Chemistry 2531-2 Lactate dehydrogenase · Chemistry 2532-0 Lactate dehydrogenase (Synovial Fluid) · Chemistry 2533-8 Lactate dehydrogenase (Urine) · Chemistry 2534-6 Lactate dehydrogenase 1 (chemical separation) · Chemistry 2535-3 Lactate dehydrogenase 1/Lactate dehydrogenase.total (electrophoresis) · Chemistry 2536-1 Lactate dehydrogenase 1 · Chemistry 2537-9 Lactate dehydrogenase 2 (chemical separation) · Chemistry 2538-7 Lactate dehydrogenase 2/Lactate dehydrogenase.total (electrophoresis) · Chemistry 2539-5 Lactate dehydrogenase 2 · Chemistry 2540-3 Lactate dehydrogenase 3 (chemical separation) · Chemistry 2541-1 Lactate dehydrogenase 3/Lactate dehydrogenase.total (electrophoresis) · Chemistry 2542-9 Lactate dehydrogenase 3 · Chemistry 2543-7 Lactate dehydrogenase 4 (chemical separation) · Chemistry 2544-5 Lactate dehydrogenase 4/Lactate dehydrogenase.total (electrophoresis) · Chemistry 2545-2 Lactate dehydrogenase 4 · Chemistry 2546-0 Lactate dehydrogenase 5 (chemical separation) · Chemistry 2547-8 Lactate dehydrogenase 5/Lactate dehydrogenase.total (electrophoresis) · Chemistry 2548-6 Lactate dehydrogenase 5 · Chemistry 2549-4 Lactate/Pyruvate (Blood) · Chemistry 2550-2