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 484 of 2,187 · by category · by group · panels · answer lists · parts
Fatty acids · Chemistry 24461-6 Heptacarboxylporphyrin in 24 hour Urine · Chemistry 24462-4 Keratan sulfate (Urine, qualitative) · Chemistry 24463-2 Chondroitin sulfate (Urine, qualitative) · Chemistry 24464-0 Urea nitrogen in 12 hour Urine · Chemistry 24465-7 CD56 cells/100 cells in Unspecified specimen · Cell markers 24466-5 CD3+CD4+ (T4 helper) cells (Blood) · Cell markers 24467-3 CD14+CD16+CD59+ cells (qualitative) · Cell markers 24468-1 Hemoglobin XXX/Hemoglobin.total (electrophoresis) · Hematology and blood count 24469-9 Hemoglobin A2+XXX/Hemoglobin.total (electrophoresis) · Hematology and blood count 24470-7 Platelet function (closure time) (Blood, collagen+epinephrine induced) · Coagulation 24471-5 Platelet function (closure time) (Blood, collagen+adenosine diphosphate induced) · Coagulation 24472-3 CD23 cells/100 cells in Unspecified specimen · Cell markers 24473-1 Cancer associated serum Ag · Chemistry 24474-9 F2 gene c.20210G>A or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 24475-6 F2 gene mutations found or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 24476-4 F2 gene mutations tested for or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 24477-2 Grass Allergen Mix 1 (Orchard grass+Meadow Fescue+Perennial rye grass+Timothy+Kentucky blue grass) IgE Ab RAST class (qualitative, multidisk) · Allergy 24478-0 Tree Allergen Mix 1 (Boxelder+Silver birch+White oak+White elm+California walnut) IgE Ab RAST class (qualitative, multidisk) · Allergy 24479-8 Weed Allergen Mix 1 (Common ragweed+Mugwort+Goosefoot or Lambs quarters+English plantain+Saltwort) IgE Ab (multidisk) · Allergy 24480-6 Weed Allergen Mix 1 (Common ragweed+Mugwort+Goosefoot or Lambs quarters+English plantain+Saltwort) IgE Ab RAST class (qualitative, multidisk) · Allergy 24481-4 Food Allergen Mix 20 (Barley+Rice+Rye+Wheat) IgE Ab RAST class (qualitative, multidisk) · Allergy 24482-2 Epidermal Allergen Mix 1 (Cat dander+Cow dander+Dog dander+Horse dander) IgE Ab RAST class (qualitative, multidisk) · Allergy 24483-0 Food Allergen Mix 5 (Peanut+Cow milk+Egg white+Cod+Soybean+Wheat) IgE Ab RAST class (qualitative, multidisk) · Allergy 24484-8 Mold Allergen Mix 1 (Alternaria alternata+Aspergillus fumigatus+Cladosporium herbarum+Penicillium notatum) IgE Ab RAST class (qualitative, multidisk) · Allergy 24485-5 Grass Allergen Mix 2 (Bermuda grass+Perennial rye grass+Timothy+Kentucky blue grass+Johnson grass+Bahia grass) IgE Ab RAST class (qualitative, multidisk) · Allergy 24486-3 Food Allergen Mix 2 (Cod+Blue Mussel+Shrimp+Salmon+Tuna) IgE Ab RAST class (qualitative, multidisk) · Allergy 24487-1 Epidermal Allergen Mix 73 (Chicken feather+Duck feather+Goose feather+Parrot feather) IgE Ab RAST class (qualitative, multidisk) · Allergy 24488-9 Tree Allergen Mix 2 (Boxelder+White oak+White elm+Cottonwood+Pecan/Hickory) IgE Ab RAST class (qualitative, multidisk) · Allergy 24489-7 Tree Allergen Mix 3 (Mountain juniper+White oak+White elm+Cottonwood+Mesquite) IgE Ab RAST class (qualitative, multidisk) · Allergy 24490-5 Tree Allergen Mix 4 (White oak+White elm+London plane or Maple leaf sycamore+Willow+Cottonwood) IgE Ab (multidisk) · Allergy 24491-3 Tree Allergen Mix 4 (White oak+White elm+London plane or Maple leaf sycamore+Willow+Cottonwood) IgE Ab RAST class (qualitative, multidisk) · Allergy 24492-1 Weed Allergen Mix 2 (Western ragweed+Mugwort+Lenscale+Goosefoot or Lambs quarters+English plantain) IgE Ab (multidisk) · Allergy 24493-9 Weed Allergen Mix 2 (Western ragweed+Mugwort+Lenscale+Goosefoot or Lambs quarters+English plantain) IgE Ab RAST class (qualitative, multidisk) · Allergy 24494-7 Epidermal Allergen Mix 71 (Chicken feather+Duck feather+Goose feather+Turkey feather) IgE Ab RAST class (qualitative, multidisk) · Allergy 24495-4 Food Allergen Mix C (Oat+Barley+Rice+Rye+Wheat+Corn) IgE Ab RAST class (qualitative, multidisk) · Allergy 24496-2 Canary serum proteins Ab (qualitative, immune diffusion (id)) · Allergy 24497-0 Chicken serum Ab (qualitative, immune diffusion (id)) · Allergy 24498-8 Cryptostroma corticale Ab (qualitative, immune diffusion (id)) · Microbiology 24499-6 Parrot serum Ab (qualitative, immune diffusion (id)) · Allergy 24500-1 Parrot droppings Ab (qualitative, immune diffusion (id)) · Allergy 24501-9 Parakeet serum Ab (qualitative, immune diffusion (id)) · Allergy 24502-7 Parakeet droppings Ab (qualitative, immune diffusion (id)) · Allergy 24503-5 Pullularia sp Ab (qualitative, immune diffusion (id)) · Allergy 24504-3 Pigeon droppings Ab (qualitative, immune diffusion (id)) · Allergy 24505-0 Dust Allergen Mix 2 (Cockroach+American house dust mite+European house dust mite+House dust Hollister Stier) IgE Ab RAST class (qualitative, multidisk) · Allergy 24506-8 Aspergillus clavatus Ab (qualitative, immune diffusion (id)) · Microbiology 24507-6 Aspergillus nidulans Ab (qualitative, immune diffusion (id)) · Microbiology 24508-4 Aspergillus terreus Ab (qualitative, immune diffusion (id)) · Microbiology 24509-2 European Hornet IgE Ab RAST class (qualitative) · Allergy 24510-0