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 478 of 2,187 · by category · by group · panels · answer lists · parts
Black Walnut IgG Ab · Allergy 24136-4 White Hickory IgG Ab · Allergy 24137-2 Johnson grass IgG Ab · Allergy 24138-0 Cockroach IgG Ab · Allergy 24139-8 White Ash IgG Ab · Allergy 24140-6 Rough Marsh Elder IgG Ab · Allergy 24141-4 Red mulberry IgG Ab · Allergy 24142-2 Sheep Sorrel IgG Ab · Allergy 24143-0 Brome IgG Ab · Allergy 24144-8 American Sycamore IgG Ab · Allergy 24145-5 Western Water Hemp IgG Ab · Allergy 24146-3 Epidermal Allergen Mix A (Chicken feather+Duck feather+Goose feather) IgE Ab (multidisk) · Allergy 24147-1 Kentucky blue grass IgG Ab · Allergy 24148-9 Food Allergen Mix D (Cauliflower+Cabbage+Brussel sprouts+Broccoli) IgG Ab (multidisk) · Allergy 24149-7 Red Maple IgG Ab · Allergy 24150-5 Giant Ragweed IgG Ab · Allergy 24151-3 ALTERNARIA ALTERNATA+ALTERNARIA TENUIS IgG Ab · Allergy 24152-1 Kamut flour IgG Ab · Allergy 24153-9 Goosefoot IgG Ab · Allergy 24154-7 Mango IgG Ab · Allergy 24155-4 Maple syrup IgG Ab · Allergy 24156-2 Virginia Live Oak IgE Ab · Allergy 24157-0 White+Black Pepper IgG Ab · Allergy 24158-8 White+Black Pepper IgE Ab · Allergy 24159-6 Wax Bean IgE Ab · Allergy 24160-4 Melon IgE Ab · Allergy 24161-2 Aspergillus fumigatus IgG Ab RAST class (qualitative) · Allergy 24162-0 Food Allergen Mix fx73 (Beef+Chicken+Pork) IgE Ab (qualitative, multidisk) · Allergy 24163-8 Mandarin IgE Ab · Allergy 24164-6 Sugar Beet Seed (Beta vulgaris seed) IgE Ab · Allergy 24165-3 Monterey Pine IgE Ab · Allergy 24166-1 Rat epithelium, serum proteins & urine proteins IgE Ab · Allergy 24167-9 Cat hair + Cat dander IgG Ab · Allergy 24168-7 Polio virus 1 neutralizing antibody (neutralization test --1st specimen) · Microbiology 24169-5 Polio virus 1 neutralizing antibody (neutralization test --2nd specimen) · Microbiology 24170-3 Polio virus 2 neutralizing antibody (neutralization test --1st specimen) · Microbiology 24171-1 Polio virus 2 neutralizing antibody (neutralization test --2nd specimen) · Microbiology 24172-9 Polio virus 3 neutralizing antibody (neutralization test --1st specimen) · Microbiology 24173-7 Polio virus 3 neutralizing antibody (neutralization test --2nd specimen) · Microbiology 24174-5 Adenovirus Ab (complement fixation --1st specimen) · Microbiology 24175-2 Adenovirus Ab (complement fixation --2nd specimen) · Microbiology 24176-0 Coxsackievirus B1 Ab (complement fixation --1st specimen) · Microbiology 24177-8 Coxsackievirus B1 Ab (complement fixation --2nd specimen) · Microbiology 24178-6 Coxsackievirus B1 neutralizing antibody (neutralization test --1st specimen) · Microbiology 24179-4 Coxsackievirus B1 neutralizing antibody (neutralization test --2nd specimen) · Microbiology 24180-2 Coxsackievirus B2 Ab (complement fixation --1st specimen) · Microbiology 24181-0 Coxsackievirus B2 Ab (complement fixation --2nd specimen) · Microbiology 24182-8 Coxsackievirus B2 neutralizing antibody (neutralization test --1st specimen) · Microbiology 24183-6 Coxsackievirus B2 neutralizing antibody (neutralization test --2nd specimen) · Microbiology 24184-4 Coxsackievirus B3 Ab (complement fixation --1st specimen) · Microbiology 24185-1