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 42 of 2,187 · by category · by group · panels · answer lists · parts
Carnosine (Urine) · Chemistry 2051-1 Carotene (Blood) · Chemistry 2052-9 Carotene · Chemistry 2053-7 Catalase (Red Blood Cells) · Chemistry 2054-5 Catecholamines (Blood) · Chemistry 2055-2 Catecholamines · Chemistry 2056-0 Catecholamines (Urine) · Chemistry 2057-8 Catecholamines in 24 hour Urine · Chemistry 2058-6 Cerebroside sulfatase (qualitative) · Chemistry 2059-4 Cerebroside sulfatase (Tissue) · Chemistry 2060-2 Cerebroside sulfatase (Urine) · Chemistry 2061-0 Cerebroside sulfatase in Leukocytes (qualitative) · Chemistry 2062-8 Cerebroside sulfatase in Leukocytes · Chemistry 2063-6 Ceruloplasmin · Chemistry 2064-4 Chenodeoxycholate · Chemistry 2065-1 Chenodeoxycholylglycine · Chemistry 2066-9 Chenodeoxycholylglycine.conjugated · Chemistry 2067-7 Chloride (Amniotic Fluid) · Chemistry 2068-5 Chloride (Blood) · Chemistry 2069-3 Chloride (CSF) · Chemistry 2070-1 Chloride in Dialysis fluid · Chemistry 2071-9 Chloride (Body Fluid) · Chemistry 2072-7 Chloride (Red Blood Cells) · Chemistry 2073-5 Chloride (oral fluid) (Saliva) · Chemistry 2074-3 Chloride · Chemistry 2075-0 Chloride (Stool) · Chemistry 2076-8 Chloride in Sweat · Chemistry 2077-6 Chloride (Urine) · Chemistry 2078-4 Chloride in 24 hour Urine · Chemistry 2079-2 Cholate · Chemistry 2080-0 Cholecystokinin · Chemistry 2081-8 Cholestanol · Chemistry 2082-6 Cholesterol esterase · Chemistry 2083-4 Cholesterol esters · Chemistry 2084-2 Cholesterol in HDL · Chemistry 2085-9 Cholesterol.in HDL · Chemistry 2086-7 Cholesterol in IDL · Chemistry 2087-5 Cholesterol.in IDL · Chemistry 2088-3 Cholesterol in LDL · Chemistry 2089-1 Cholesterol.in LDL · Chemistry 2090-9 Cholesterol in VLDL · Chemistry 2091-7 Cholesterol.in VLDL · Chemistry 2092-5 Cholesterol · Chemistry 2093-3 Cholesterol.non-esterified · Chemistry 2094-1 Cholesterol in HDL/Cholesterol.total · Chemistry 2095-8 Cholesterol/Triglyceride · Chemistry 2096-6 Cholinesterase (Amniotic Fluid) · Chemistry 2097-4 Cholinesterase · Chemistry 2098-2 Cholinesterase (Red Blood Cells) · Chemistry 2099-0 Cholylglycine · Chemistry 2100-6