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 390 of 2,187 · by category · by group · panels · answer lists · parts
Triazolam (Urine, qualitative, screen method) · Drug and toxicology 19714-5 Triazolam cutoff for Screen method (Urine) · Drug and toxicology 19716-0 Triazolam cutoff for Confirmatory method (Urine) · Drug and toxicology 19717-8 Trichlorothiazide (Urine, qualitative, screen method) · Drug and toxicology 19718-6 Trichlorothiazide (Urine, qualitative, confirmatory method) · Drug and toxicology 19719-4 Trichlorothiazide (Urine, confirmatory method) · Drug and toxicology 19720-2 Trichlorothiazide (Urine) · Drug and toxicology 19721-0 Trichlorothiazide cutoff for Screen method (Urine) · Drug and toxicology 19722-8 Trichlorothiazide cutoff for Confirmatory method (Urine) · Drug and toxicology 19723-6 Abachi Wood Dust IgE Ab · Allergy 19724-4 Aspergillus flavus IgG Ab (qualitative) · Microbiology 19725-1 Aspergillus fumigatus IgG Ab (qualitative) · Microbiology 19726-9 Aspergillus niger IgG Ab (qualitative) · Microbiology 19727-7 Beet IgE Ab · Allergy 19728-5 Blue vetch IgE Ab · Allergy 19729-3 Budgerigar droppings IgE Ab · Allergy 19730-1 Budgerigar serum proteins IgE Ab · Allergy 19731-9 Cat serum albumin IgE Ab · Allergy 19732-7 Cefaclor IgE Ab · Allergy 19733-5 Chicken droppings IgE Ab · Allergy 19734-3 Cocksfoot IgE Ab · Allergy 19735-0 Coralbumin IgE Ab · Allergy 19736-8 Cotton fibers IgE Ab · Allergy 19737-6 Dog serum albumin IgE Ab · Allergy 19738-4 Fenugreek IgE Ab · Allergy 19739-2 Fox epithelium IgE Ab · Allergy 19740-0 European Hake (Merluccius merluccius) IgE Ab · Allergy 19741-8 Hexahydrophthalic anhydride (HHPA) IgE Ab · Allergy 19742-6 Horse meat IgE Ab · Allergy 19743-4 Jackfruit IgE Ab · Allergy 19744-2 Flax IgE Ab · Allergy 19745-9 Maleic anhydride IgE Ab · Allergy 19746-7 Mealworm IgE Ab · Allergy 19747-5 Methyltetrahydrophthalic anhydride (MTHPA) IgE Ab · Allergy 19748-3 Saccharopolyspora rectivirgula IgG Ab (qualitative) · Allergy 19749-1 Mint IgE Ab · Allergy 19750-9 Mouse epithelium, serum proteins + urine proteins IgE Ab · Allergy 19751-7 Pigeon serum IgG Ab (qualitative) · Allergy 19752-5 Rat epithelium, serum proteins + urine proteins IgE Ab · Allergy 19753-3 Red Currant IgE Ab · Allergy 19754-1 Saffron IgE Ab · Allergy 19755-8 Sheep milk IgE Ab · Allergy 19756-6 Sheep whey IgE Ab · Allergy 19757-4 Silk waste IgE Ab · Allergy 19758-2 Swine serum albumin IgE Ab · Allergy 19759-0 Clostridium tetani toxoid IgE Ab · Allergy 19760-8 Thermoactinomyces vulgaris IgG Ab (qualitative) · Microbiology 19761-6 General categories of Cervical or vaginal smear or scraping (cyto stain) · CYTO 19762-4 Specimen source in Cervical or vaginal smear or scraping (cyto stain) · CYTO 19763-2 Statement of adequacy of Cervical or vaginal smear or scraping (cyto stain) · CYTO 19764-0