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 38 of 2,187 · by category · by group · panels · answer lists · parts
Androstenedione (Amniotic Fluid) · Chemistry 1851-5 Androstenedione (Capillary Blood) · Chemistry 1852-3 Androstenedione (Semen) · Chemistry 1853-1 Androstenedione · Chemistry 1854-9 Androstenedione (Urine) · Chemistry 1855-6 Androsterone · Chemistry 1856-4 Angiotensin converting enzyme (Blood) · Chemistry 1857-2 Angiotensin I · Chemistry 1858-0 Angiotensin II (CSF) · Chemistry 1859-8 Angiotensin II · Chemistry 1860-6 Angiotensinogen · Chemistry 1861-4 Aniline · Drug and toxicology 1862-2 Anion gap (calculated.4ions) · Chemistry 1863-0 Anserine (CSF) · Chemistry 1864-8 Anserine (qualitative) · Chemistry 1865-5 Anserine · Chemistry 1866-3 Anserine (Urine) · Chemistry 1867-1 Antithrombin Ag in Platelet poor plasma (immunoassay) · Coagulation 1868-9 Apolipoprotein A-I · Chemistry 1869-7 Apolipoprotein A-II · Chemistry 1870-5 Apolipoprotein B-100 · Chemistry 1871-3 Apolipoprotein B-150 · Chemistry 1872-1 Apolipoprotein B-48 · Chemistry 1873-9 Apolipoprotein B/Apolipoprotein A-I · Chemistry 1874-7 Apolipoprotein C-I · Chemistry 1875-4 Apolipoprotein C-II · Chemistry 1876-2 Apolipoprotein C-III · Chemistry 1877-0 Apolipoprotein A-III · Chemistry 1878-8 Apolipoprotein E2 · Chemistry 1879-6 Beta 2 glycoprotein 1 · Chemistry 1880-4 Apolipoprotein LPA · Chemistry 1881-2 Apolipoprotein LPQ · Chemistry 1882-0 Apolipoprotein A · Chemistry 1883-8 Apolipoprotein B · Chemistry 1884-6 Apolipoprotein C · Chemistry 1885-3 Apolipoprotein E · Chemistry 1886-1 Appearance (Amniotic Fluid) · SPEC 1887-9 Aquacobalamin · Chemistry 1888-7 Arachidonate (C20:4w6) · Chemistry 1889-5 Arginase (Red Blood Cells) · Chemistry 1890-3 Arginine (CSF) · Chemistry 1891-1 Arginine (qualitative) · Chemistry 1892-9 Arginine · Chemistry 1893-7 Arginine (Urine) · Chemistry 1894-5 Arginine in 24 hour Urine · Chemistry 1895-2 Argininosuccinate · Chemistry 1896-0 Argininosuccinate (Urine) · Chemistry 1897-8 Argininosuccinate lyase · Chemistry 1898-6 Argininosuccinate synthase (Tissue) · Chemistry 1899-4 Arylamidase · Chemistry 1900-0