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 35 of 2,187 · by category · by group · panels · answer lists · parts
Acetaldehyde · Drug and toxicology 1701-2 Acetoacetate (Urine) · Chemistry 1702-0 Acetoacetate (CSF) · Chemistry 1703-8 Acetoacetate (qualitative) · Chemistry 1704-6 Acetoacetate · Chemistry 1705-3 Acetonitrile (Blood) · Drug and toxicology 1706-1 Acetylcholine · Chemistry 1707-9 Acetylcholinesterase (Amniotic Fluid) · Chemistry 1708-7 Acetylcholinesterase (Red Blood Cells) · Chemistry 1709-5 Acetylcholinesterase · Chemistry 1710-3 Acid phosphatase (Blood) · Chemistry 1711-1 Prostatic acid phosphatase in Vaginal fluid · Chemistry 1712-9 Prostatic acid phosphatase (Semen) · Chemistry 1713-7 Prostatic acid phosphatase · Chemistry 1714-5 Acid phosphatase · Chemistry 1715-2 Acidity.titratable (Urine) · Chemistry 1716-0 Acylcarnitine · Chemistry 1717-8 Acyl CoA dehydrogenase · Chemistry 1718-6 Adenine · Chemistry 1719-4 Adenine phosphoribosyltransferase (Red Blood Cells) · Chemistry 1720-2 Adenosine triphosphate (Blood) · Chemistry 1721-0 Adenosine deaminase (Blood) · Chemistry 1722-8 Adenosine deaminase binding protein (Urine) · Chemistry 1723-6 Adenosine diphosphate · Chemistry 1724-4 Adenosine monophosphate deaminase · Chemistry 1725-1 Adenosine monophosphate.cyclic · Chemistry 1726-9 Adenosine monophosphate.cyclic in 24 hour Urine · Chemistry 1727-7 Adenosine monophosphate.cyclic/Creatinine · Chemistry 1728-5 Adenosine triphosphatase (Red Blood Cells) · Chemistry 1729-3 Adenosine triphosphatase (Semen) · Chemistry 1730-1 Adenylate kinase · Chemistry 1731-9 Adenylosuccinate lyase · Chemistry 1732-7 Adipate (Urine) · Chemistry 1733-5 Aldosterone renal clearance in 24 hour Urine and Serum or Plasma · Chemistry 1734-3 Alanine (CSF) · Chemistry 1735-0 Alanine (qualitative) · Chemistry 1736-8 Alanine · Chemistry 1737-6 Alanine (Urine) · Chemistry 1738-4 Alanine in 24 hour Urine · Chemistry 1739-2 Alanine aminopeptidase · Chemistry 1740-0 Alanine aminotransferase (Amniotic Fluid) · Chemistry 1741-8 Alanine aminotransferase · Chemistry 1742-6 Alanine aminotransferase (with p-5'-p) · Chemistry 1743-4 Alanine aminotransferase (no addition of p-5'-p) · Chemistry 1744-2 Albumin (Amniotic Fluid) · Chemistry 1745-9 Albumin (CSF) · Chemistry 1746-7 Albumin (Body Fluid) · Chemistry 1747-5 Albumin (Pleural Fluid) · Chemistry 1748-3 Albumin (Peritoneal Fluid) · Chemistry 1749-1 Albumin (Semen) · Chemistry 1750-9