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 471 of 2,187 · by category · by group · panels · answer lists · parts
Swine influenza virus Ag (Tissue, qualitative, immune stain) · Microbiology 23782-6 Taylorella equigenitalis Ab (complement fixation) · Microbiology 23783-4 Toxoplasma gondii Ab (hemagglutination) · Microbiology 23784-2 Trypanosoma cruzi Ab (qualitative) · Microbiology 23785-9 Urea in Specimen · Chemistry 23786-7 Venezuelan equine encephalitis virus Ab (complement fixation) · Microbiology 23787-5 Vesicular stomatitis Indiana virus Ab (complement fixation) · Microbiology 23788-3 Vesicular stomatitis Indiana virus neutralizing antibody (neutralization test) · Microbiology 23789-1 Vesicular stomatitis New Jersey virus Ab (complement fixation) · Microbiology 23790-9 Vesicular stomatitis New Jersey virus neutralizing antibody (neutralization test) · Microbiology 23791-7 Western equine encephalitis virus Ab in Specimen (qualitative) · Microbiology 23792-5 Canine parvovirus Ag (Stool, qualitative, immunoassay) · Microbiology 23793-3 Food Allergen Mix C (Oat+Barley+Rice+Rye+Wheat+Corn) IgE Ab (qualitative, multidisk) · Allergy 23794-1 Dust Allergen Mix 2 (Cockroach+American house dust mite+European house dust mite+House dust Hollister Stier) IgE Ab (qualitative, multidisk) · Allergy 23795-8 Tree Allergen Mix 1 (Boxelder+Silver birch+White oak+White elm+California walnut) IgE Ab (qualitative, multiple allergens) · Allergy 23796-6 Tree Allergen Mix 2 (Boxelder+White oak+White elm+Cottonwood+Pecan/Hickory) IgE Ab (qualitative, multidisk) · Allergy 23797-4 Epidermal Allergen Mix 1 (Cat dander+Cow dander+Dog dander+Horse dander) IgE Ab (qualitative, multidisk) · Allergy 23798-2 Epidermal Allergen Mix 73 (Chicken feather+Duck feather+Goose feather+Parrot feather) IgE Ab (qualitative, multidisk) · Allergy 23799-0 Mold Allergen Mix 1 (Alternaria alternata+Aspergillus fumigatus+Cladosporium herbarum+Penicillium notatum) IgE Ab (qualitative, multidisk) · Allergy 23800-6 Food Allergen Mix 5 (Peanut+Cow milk+Egg white+Cod+Soybean+Wheat) IgE Ab (qualitative, multidisk) · Allergy 23801-4 Grass Allergen Mix D (Bermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass) IgE Ab (qualitative, multidisk) · Allergy 23802-2 Grass Allergen Mix 1 (Orchard grass+Meadow Fescue+Perennial rye grass+Timothy+Kentucky blue grass) IgE Ab (qualitative, multidisk) · Allergy 23803-0 Food Allergen Mix 2 (Cod+Blue Mussel+Shrimp+Salmon+Tuna) IgE Ab (qualitative, multiple allergens) · Allergy 23804-8 5-Fluorocytosine in Specimen · Drug and toxicology 23805-5 Albumin --2 hours post peritoneal dialysis (Peritoneal Fluid) · Chemistry 23806-3 Albumin --4 hours post peritoneal dialysis (Peritoneal Fluid) · Chemistry 23807-1 Aldosterone free in 24 hour Urine · Chemistry 23808-9 Alloisoleucine · Chemistry 23809-7 Alpha fucosidase in Leukocytes · Chemistry 23810-5 Alpha-1-Fetoprotein adjusted · Chemistry 23811-3 Alpha-1-Fetoprotein unadjusted · Chemistry 23812-1 Alternaria sp IgE Ab RAST class (qualitative) · Allergy 23813-9 Amantadine (Urine) · Drug and toxicology 23814-7 Androstanediol in 24 hour Urine · Chemistry 23815-4 Other Antibiotic · Drug and toxicology 23816-2 Other Antibiotic (qualitative, minimum lethal concentration (mlc) --peak) · Antibiotic susceptibility 23817-0 Other Antibiotic (qualitative, minimum lethal concentration (mlc) --trough) · Antibiotic susceptibility 23818-8 Antibody coated bacteria (Urine, qualitative, immunofluorescence) · Microbiology 23819-6 Aspergillus flavus Ab (qualitative, immune diffusion (id)) · Microbiology 23820-4 Aspergillus fumigatus Ab (qualitative, immune diffusion (id)) · Microbiology 23821-2 Azinphos-methyl (Blood) · Drug and toxicology 23822-0 Basophils/Leukocytes in Specimen (manual count) · Hematology and blood count 23823-8 Beta-N-acetylhexosaminidase.A/Beta-n-acetylhexosaminidase.total · Chemistry 23824-6 Beta-N-acetylhexosaminidase.A/Beta-n-acetylhexosaminidase.total in Leukocytes · Chemistry 23825-3 Bordetella pertussis DNA in Specimen (qualitative, naa with probe detection) · Microbiology 23826-1 Bordetella pertussis filamentous hemagglutinin IgA Ab · Microbiology 23827-9 Bordetella pertussis filamentous hemagglutinin IgG Ab · Microbiology 23828-7 Bordetella pertussis filamentous hemagglutinin IgM Ab · Microbiology 23829-5 Bordetella pertussis.pertussis toxin IgA Ab · Microbiology 23830-3 Bordetella pertussis.pertussis toxin IgG Ab · Microbiology 23831-1