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 36 of 2,187 · by category · by group · panels · answer lists · parts
Albumin · Chemistry 1751-7 Albumin (Synovial Fluid) · Chemistry 1752-5 Albumin (Urine, qualitative) · Chemistry 1753-3 Albumin (Urine) · Chemistry 1754-1 Albumin in 24 hour Urine · Chemistry 1755-8 Albumin/Albumin (Csf) · Chemistry 1756-6 Albumin renal clearance in 24 hour Urine and Serum or Plasma · Chemistry 1757-4 Albumin.glycated · Chemistry 1758-2 Albumin/Globulin · Chemistry 1759-0 Alcohol dehydrogenase · Chemistry 1760-8 Aldolase · Chemistry 1761-6 Aldosterone (Blood) · Chemistry 1762-4 Aldosterone · Chemistry 1763-2 Aldosterone (Urine) · Chemistry 1764-0 Aldosterone in 24 hour Urine · Chemistry 1765-7 Aldosterone receptors in Leukocytes · Chemistry 1766-5 Aldosterone --supine · Challenge tests 1767-3 Aldosterone --upright · Chemistry 1768-1 Fatty acids.nonesterified · Chemistry 1769-9 Aliphatic carboxylate, C14-C26.absorption · Chemistry 1770-7 Aliphatic carboxylate, C14-C26.esters · Chemistry 1771-5 Aliphatic carboxylate, C14-C26.esters (Stool) · Chemistry 1772-3 Fatty acids.very long chain C24:0 (Tetracosanoate)/C22:0 (Docosanoate) · Chemistry 1773-1 Fatty acids.very long chain C26:0 (Hexacosanoate)/C22:0 (Docosanoate) · Chemistry 1774-9 Alkaline phosphatase (Body Fluid) · Chemistry 1775-6 Alkaline phosphatase (Urine) · Chemistry 1776-4 Alkaline phosphatase.bone · Chemistry 1777-2 Alkaline phosphatase.intestinal · Chemistry 1778-0 Alkaline phosphatase.liver · Chemistry 1779-8 Alkaline phosphatase.placental · Chemistry 1780-6 Alkaline phosphatase.regan · Chemistry 1781-4 Alkaline phosphatase.renal · Chemistry 1782-2 Alkaline phosphatase (Blood) · Chemistry 1783-0 Alpha amino acid nitrogen · Chemistry 1784-8 Alpha amino acid nitrogen in 24 hour Urine · Chemistry 1785-5 Alpha aminobutyrate (CSF) · Chemistry 1786-3 Alpha aminobutyrate (qualitative) · Chemistry 1787-1 Alpha aminobutyrate · Chemistry 1788-9 Alpha aminobutyrate · Chemistry 1789-7 Alpha aminobutyrate (Urine) · Chemistry 1790-5 Alpha aminoadipate (qualitative) · Chemistry 1791-3 Alpha aminoadipate · Chemistry 1792-1 Alpha aminoadipate (Urine) · Chemistry 1793-9 Amylase in Duodenal fluid · Chemistry 1794-7 Amylase (Body Fluid) · Chemistry 1795-4 Amylase (Pleural Fluid) · Chemistry 1796-2 Amylase (Peritoneal Fluid) · Chemistry 1797-0 Amylase · Chemistry 1798-8 Amylase (Urine) · Chemistry 1799-6 Amylase in 24 hour Urine · Chemistry 1800-2