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 137 of 2,187 · by category · by group · panels · answer lists · parts
Complement C3 (Body Fluid) · Hematology and blood count 6801-5 HLA-DR10 (qualitative) · HLA typing 6802-3 HLA-DR15 (qualitative) · HLA typing 6803-1 HLA-DR52 (qualitative) · HLA typing 6804-9 HLA-DR53 (qualitative) · HLA typing 6805-6 HLA-DR6 (qualitative) · HLA typing 6806-4 HLA-DR8 (qualitative) · HLA typing 6807-2 Aspergillus fumigatus 1 Ab (qualitative, immune diffusion (id)) · Microbiology 6808-0 Aspergillus fumigatus 6 Ab (qualitative, immune diffusion (id)) · Microbiology 6809-8 Aureobasidium pullulans Ab (qualitative, immune diffusion (id)) · Microbiology 6810-6 Dengue virus IgG Ab · Microbiology 6811-4 Dengue virus IgM Ab · Microbiology 6812-2 Echovirus 16 Ab (complement fixation) · Microbiology 6813-0 Epstein Barr virus early IgG Ab (qualitative, immunofluorescence) · Microbiology 6814-8 Epstein Barr virus nuclear IgM Ab (qualitative, immunoassay) · Microbiology 6815-5 Histoplasma capsulatum mycelial phase Ab (qualitative) · Microbiology 6816-3 Histoplasma capsulatum yeast phase Ab (qualitative) · Microbiology 6817-1 Saccharopolyspora rectivirgula Ab (qualitative, immune diffusion (id)) · Microbiology 6818-9 Streptococcus sp Ab (qualitative) · Microbiology 6819-7 Streptococcus sp Ab · Microbiology 6820-5 Thermoactinomyces vulgaris Ab (qualitative, immune diffusion (id)) · Microbiology 6821-3 Nuclear Ab (Synovial Fluid, immunofluorescence) · Serology 6822-1 Rheumatoid factor (Synovial Fluid, qualitative, latex agglutination) · Serology 6823-9 Color (Body Fluid) · SPEC 6824-7 Crystals (Body Fluid, light microscopy) · Hematology and blood count 6825-4 Crystals (Pleural Fluid, light microscopy) · Hematology and blood count 6826-2 Bacitracin (minimum inhibitory concentration (mic)) · Antibiotic susceptibility 6827-0 Alternaria alternata IgE Ab · Allergy 6828-8 Amoxicillin IgE Ab · Allergy 6829-6 Aspergillus niger IgE Ab · Allergy 6830-4 Green Bean IgE Ab · Allergy 6831-2 Oregon Ash IgE Ab · Allergy 6832-0 Cat dander IgE Ab · Allergy 6833-8 Cat hair + Cat dander IgE Ab · Allergy 6834-6 Cauliflower IgE Ab · Allergy 6835-3 Chicken serum proteins IgE Ab · Allergy 6836-1 Cinnamon IgE Ab · Allergy 6837-9 Cockatiel droppings IgE Ab · Allergy 6838-7 Cryptostroma corticale IgE Ab · Allergy 6839-5 Gerbil IgE Ab · Allergy 6840-3 Grape IgE Ab · Allergy 6841-1 Halibut IgE Ab · Allergy 6842-9 Honey Bee IgE Ab · Allergy 6843-7 Honey bee IgE Ab · Allergy 6844-5 Latex glove extract ammoniated IgE Ab · Allergy 6845-2 Latex glove extract buffered IgE Ab · Allergy 6846-0 Mexican tea IgE Ab · Allergy 6847-8 Mushroom IgE Ab · Allergy 6848-6 White Oak IgE Ab · Allergy 6849-4 Papaya (Carica papaya) IgE Ab · Allergy 6850-2