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 126 of 2,187 · by category · by group · panels · answer lists · parts
Stemphylium botryosum IgE Ab · Allergy 6252-1 Midge stinging IgE Ab · Allergy 6253-9 Acarus siro IgE Ab · Allergy 6254-7 Lepidoglyphus destructor IgE Ab · Allergy 6255-4 Tyrophagus putrescentiae IgE Ab · Allergy 6256-2 Strawberry IgE Ab · Allergy 6257-0 Sunflower Seed IgE Ab · Allergy 6258-8 Chestnut IgE Ab · Allergy 6259-6 Sweet gum IgE Ab · Allergy 6260-4 Sweet Vernal grass IgE Ab · Allergy 6261-2 Swine epithelium IgE Ab · Allergy 6262-0 American Sycamore IgE Ab · Allergy 6263-8 Tea IgE Ab · Allergy 6264-6 Timothy IgE Ab · Allergy 6265-3 Tomato IgE Ab · Allergy 6266-1 Trichoderma viride IgE Ab · Allergy 6267-9 Trout IgE Ab · Allergy 6268-7 Tulip IgE Ab · Allergy 6269-5 Tuna IgE Ab · Allergy 6270-3 Turkey meat IgE Ab · Allergy 6271-1 Velvet grass IgE Ab · Allergy 6272-9 Walnut IgE Ab · Allergy 6273-7 California Walnut IgE Ab · Allergy 6274-5 Western Ragweed IgE Ab · Allergy 6275-2 Wheat IgE Ab · Allergy 6276-0 Cultivated Wheat IgE Ab · Allergy 6277-8 White Ash IgE Ab · Allergy 6278-6 White Bean IgE Ab · Allergy 6279-4 Whitefaced Hornet IgE Ab · Allergy 6280-2 White mulberry IgE Ab · Allergy 6281-0 Eastern White Pine IgE Ab · Allergy 6282-8 Wild rye grass IgE Ab · Allergy 6283-6 Wild Silk IgE Ab · Allergy 6284-4 Willow IgE Ab · Allergy 6285-1 Wormwood IgE Ab · Allergy 6286-9 Baker's yeast IgE Ab · Allergy 6287-7 Yellow Hornet IgE Ab · Allergy 6288-5 Lysozyme · Chemistry 6289-3 Complement membrane C3b-C4b cofactor protein in Leukocytes (qualitative) · Hematology and blood count 6290-1 Complement iC3b receptors in Leukocytes (qualitative) · Hematology and blood count 6291-9 Complement decay accelerating factor (Red Blood Cells, qualitative) · Hematology and blood count 6292-7 Complement C4d (Red Blood Cells, qualitative) · Hematology and blood count 6293-5 Complement C3d-C3d+Gg-IC3b receptors in Leukocytes · Hematology and blood count 6294-3 Complement C3d (Red Blood Cells, qualitative) · Hematology and blood count 6295-0 Complement C3b-C4b receptor (Red Blood Cells, qualitative) · Hematology and blood count 6296-8 Complement C1q Ag (Serum) · Hematology and blood count 6297-6 Potassium (Blood) · Chemistry 6298-4 Urea nitrogen (Blood) · Chemistry 6299-2 Glucose (Amniotic Fluid) · Chemistry 6300-8 INR in Platelet poor plasma (coagulation assay) · Coagulation 6301-6