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 43 of 2,187 · by category · by group · panels · answer lists · parts
Cholylglycine.conjugated · Chemistry 2101-4 Chondroitin sulfate (Urine) · Chemistry 2102-2 Choriomammotropin (Amniotic Fluid) · Chemistry 2103-0 Choriomammotropin · Chemistry 2104-8 Choriogonadotropin (Semen) · Chemistry 2105-5 Choriogonadotropin (Urine, qualitative) · Chemistry 2106-3 Choriogonadotropin (Urine) · Chemistry 2107-1 Choriogonadotropin.alpha subunit (qualitative) · Chemistry 2108-9 Choriogonadotropin.alpha subunit · Chemistry 2109-7 Choriogonadotropin.beta subunit (qualitative) · Chemistry 2110-5 Choriogonadotropin.beta subunit · Chemistry 2111-3 Choriogonadotropin.beta subunit (Urine, qualitative) · Chemistry 2112-1 Choriogonadotropin.beta subunit in 24 hour Urine · Chemistry 2113-9 Choriogonadotropin.beta subunit (Urine) · Chemistry 2114-7 Choriogonadotropin.beta subunit free · Chemistry 2115-4 Choriogonadotropin.intact (qualitative) · Chemistry 2116-2 Choriogonadotropin.intact · Chemistry 2117-0 Choriogonadotropin (qualitative) · Chemistry 2118-8 Choriogonadotropin · Chemistry 2119-6 Chylomicrons · Chemistry 2120-4 Chylomicrons (qualitative) · Chemistry 2121-2 Chymopapain · Chemistry 2122-0 Chymotrypsin (Body Fluid) · Chemistry 2123-8 Chymotrypsin · Chemistry 2124-6 Chymotrypsin (Stool) · Chemistry 2125-3 Citrate (Semen) · Chemistry 2126-1 Citrate · Chemistry 2127-9 Citrate (Urine) · Chemistry 2128-7 Citrulline (qualitative) · Chemistry 2129-5 Citrulline · Chemistry 2130-3 Citrulline (Urine) · Chemistry 2131-1 Cobalamin (Vitamin B12) · Chemistry 2132-9 Collagenase · Chemistry 2133-7 Coproporphyrin (Red Blood Cells) · Chemistry 2134-5 Coproporphyrin in 24 hour Stool · Chemistry 2135-2 Coproporphyrin (Urine, qualitative) · Chemistry 2136-0 Coproporphyrin in 24 hour Urine · Chemistry 2137-8 Coproporphyrinogen oxidase · Chemistry 2138-6 Corticosterone · Chemistry 2139-4 Corticotropin (Amniotic Fluid) · Chemistry 2140-2 Corticotropin · Chemistry 2141-0 Cortisol (oral fluid) (Saliva) · Chemistry 2142-8 Cortisol · Chemistry 2143-6 Cortisol (Urine) · Chemistry 2144-4 Cortisol Free · Chemistry 2145-1 Cortisol Free · Chemistry 2146-9 Cortisol Free in 24 hour Urine · Chemistry 2147-7 Creatine · Chemistry 2148-5 Creatine (Urine) · Chemistry 2149-3 Creatine in 24 hour Urine · Chemistry 2150-1