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 404 of 2,187 · by category · by group · panels · answer lists · parts
Choriogonadotropin.beta subunit (immunoassay (eia) 3rd is) · Chemistry 20415-6 Hepatitis C virus RNA (viral load) (naa with probe detection) · Microbiology 20416-4 Histoplasma capsulatum mycelial phase Ab · Microbiology 20417-2 Histoplasma capsulatum yeast phase Ab · Microbiology 20418-0 Lutropin (1st irp) · Chemistry 20419-8 Prostatic acid phosphatase · Chemistry 20420-6 Barbiturates (qualitative, screen method) · Drug and toxicology 20421-4 Alpha 1 antitrypsin · Chemistry 20422-2 Beta lactamase organism identified in Isolate · Microbiology 20423-0 Cardiolipin IgG Ab · Coagulation 20424-8 Cardiolipin IgM Ab · Coagulation 20425-5 Alkaline phosphatase.bile · Chemistry 20426-3 Acetylcholine receptor Ab · Serology 20427-1 Phospholipid IgG Ab (qualitative) · Coagulation 20428-9 Phospholipid IgM Ab (qualitative) · Coagulation 20429-7 Culture medium in Isolate · Microbiology 20430-5 Microscopic observation in Specimen (smear) · Microbiology 20431-3 Epstein Barr virus nuclear Ab (qualitative, immunofluorescence) · Microbiology 20432-1 Follitropin (2nd irp) · Chemistry 20433-9 Prolactin (3rd is) · Chemistry 20434-7 Unidentified extractable nuclear Ab (qualitative, immune diffusion (id)) · Serology 20435-4 Glucose --2 hours post dose glucose · CHAL.ROUTINE 20436-2 Glucose --3 hours post dose glucose · CHAL.ROUTINE 20437-0 Glucose --1 hour post dose glucose · CHAL.ROUTINE 20438-8 Glucose --30 minutes post dose glucose · Challenge tests 20439-6 Glucose --1.5 hours post dose glucose · Challenge tests 20440-4 Glucose --post 50 g glucose · Challenge tests 20441-2 Hepatitis B virus DNA (viral load) (probe with signal amplification) · Microbiology 20442-0 Herpes simplex virus 1+2 DNA in Specimen (qualitative, naa with probe detection) · Microbiology 20444-6 Herpes virus identified in Specimen (organism specific culture) · Microbiology 20445-3 Herpes simplex virus IgG Ab (immunoassay) · Microbiology 20446-1 HIV 1 RNA (viral load) (naa with probe detection) · Microbiology 20447-9 Insulin · Chemistry 20448-7 Borrelia burgdorferi Ab (qualitative, immunoassay) · Microbiology 20449-5 Alpha-1-Fetoprotein · Chemistry 20450-3 Thyroxine (T4) (Blood, qualitative) · Chemistry 20451-1 Thyrotropin (Blood, qualitative) · Chemistry 20452-9 Epithelial cells sediment (Urine, qualitative, light microscopy) · Urinalysis 20453-7 Protein (Urine, qualitative, test strip) · Urinalysis 20454-5 Leukocytes sediment (Urine, qualitative, light microscopy) · Urinalysis 20455-2 Fungi.yeastlike sediment (Urine, qualitative, light microscopy) · Urinalysis 20456-0 Fungi.filamentous sediment (Urine, qualitative, light microscopy) · Urinalysis 20457-8 Rubella virus IgG Ab · Microbiology 20458-6 Streptococcus agalactiae Ag in Specimen (qualitative, latex agglutination) · Microbiology 20459-4 Cefuroxime Oral (minimum inhibitory concentration (mic)) · Antibiotic susceptibility 20460-2 Pyrazinamide (method for slow-growing mycobacteria) · Antibiotic susceptibility 20461-0 Streptomycin (method for slow-growing mycobacteria) · Antibiotic susceptibility 20462-8 Mycobacterium avium complex rRNA in Specimen (qualitative, naa with probe detection) · Microbiology 20463-6 Toxoplasma gondii Ab · Microbiology 20464-4 Choriogonadotropin · Chemistry 20465-1