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 405 of 2,187 · by category · by group · panels · answer lists · parts
Estriol (E3).unconjugated · Chemistry 20466-9 Blood bank alert · Blood bank 20467-7 Thiamine · Chemistry 20468-5 Acetone (qualitative, screen method) · Drug and toxicology 20469-3 Ethanol (qualitative, screen method) · Drug and toxicology 20470-1 Isopropanol (qualitative, screen method) · Drug and toxicology 20471-9 Eosinophils in Specimen (qualitative, wright stain) · Hematology and blood count 20472-7 Granulocytes in Specimen (qualitative, wright stain) · Hematology and blood count 20473-5 Bacteria identified (Tissue, biopsy culture) · Microbiology 20474-3 Cytomegalovirus IgG Ab · Microbiology 20475-0 CD1a cells/cells (Blood) · Cell markers 20476-8 CD33+CD44+ cells/cells (Blood) · Cell markers 20477-6 CD61 cells/cells (Blood) · Cell markers 20478-4 Measles virus IgG Ab (qualitative) · Microbiology 20479-2 Benzoylecgonine in Meconium (qualitative, screen method) · Drug and toxicology 20480-0 Opiates in Meconium (qualitative, screen method) · Drug and toxicology 20481-8 Granulocytes (automated count) · Hematology and blood count 20482-6 Mitochondria Ab · Serology 20483-4 Cardiolipin IgG Ab · Coagulation 20484-2 Cardiolipin IgM Ab · Coagulation 20485-9 Haemophilus influenzae B Ag (CSF) · Microbiology 20486-7 Neisseria meningitidis serogroups A+Y Ag (CSF, qualitative) · Microbiology 20487-5 Streptococcus agalactiae Ag (CSF, qualitative) · Microbiology 20488-3 Streptococcus pneumoniae Ag (CSF, qualitative) · Microbiology 20489-1 Epstein Barr virus capsid IgG Ab · Microbiology 20490-9 Epstein Barr virus capsid IgM Ab · Microbiology 20491-7 Hemoglobin pattern (electrophoresis narrative) · Hematology and blood count 20492-5 Histiocytes/cells (Body Fluid, light microscopy) · Hematology and blood count 20493-3 Lymphocytes/100 leukocytes (Body Fluid, manual count) · Hematology and blood count 20494-1 Gliadin IgA Ab (immunoassay) · Serology 20495-8 Gliadin IgG Ab (immunoassay) · Serology 20496-6 Histoplasma capsulatum mycelial phase Ab (complement fixation) · Microbiology 20497-4 Histoplasma capsulatum yeast phase Ab (complement fixation) · Microbiology 20498-2 Phosphatidylglycerol/Surfactant.total (Amniotic Fluid) · Chemistry 20499-0 Hydroxyalprazolam (Urine, confirmatory method) · Drug and toxicology 20500-5 Hydroxytriazolam (Urine, confirmatory method) · Drug and toxicology 20501-3 Clue cells in Vaginal fluid (qualitative, wet preparation) · Microbiology 20502-1 CD22+CD11c+ cells/cells (Blood) · Cell markers 20503-9 Histiocytes/cells (CSF) · Hematology and blood count 20504-7 Bilirubin.total (Urine, test strip) · Urinalysis 20505-4 Specimen drawn from · SPEC 20506-2 Reagin Ab (qualitative, rpr) · Microbiology 20507-0 Reagin Ab (rpr) · Microbiology 20508-8 Hemoglobin (calculation) · Hematology and blood count 20509-6 Lipoprotein fractions (electrophoresis) · Chemistry 20510-4 Creatinine (Urine) · Chemistry 20511-2 Turbidity Qualitative (CSF, qualitative) · SPEC 20512-0 Turbidity Qualitative (Body Fluid, qualitative) · SPEC 20513-8 6-Monoacetylmorphine Confirm (Urine) · Drug and toxicology 20514-6 Amitriptyline (Urine, confirmatory method) · Drug and toxicology 20515-3