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 121 of 2,187 · by category · by group · panels · answer lists · parts
Platelet factor 4 Ag in Platelet poor plasma (immunoassay) · Coagulation 6003-8 Prekallikrein (Fletcher Factor) in Platelet poor plasma (chromogenic method) · Coagulation 6004-6 Prekallikrein (Fletcher Factor) in Platelet poor plasma · Coagulation 6005-3 Protein C in Platelet poor plasma (chromogenic method) · Coagulation 6006-1 Protein C in Platelet poor plasma (coagulation assay) · Coagulation 6007-9 Protein C+Acarboxy Ag in Platelet poor plasma (immunoassay) · Coagulation 6008-7 Protein C Ag in Platelet poor plasma (immunoassay) · Coagulation 6009-5 Protein C inhibitor in Platelet poor plasma (immunoassay) · Coagulation 6010-3 Protein C cofactor in Platelet poor plasma · Coagulation 6011-1 von Willebrand factor (vWf) Ag in Platelet poor plasma (immunoassay) · Coagulation 6012-9 von Willebrand factor (vWf) multimers in Platelet poor plasma (immunoblot) · Coagulation 6013-7 von Willebrand factor (vWf) actual/normal in Platelet poor plasma (aggregometry.ristocetin cofactor activity) · Coagulation 6014-5 Wattle IgE Ab · Allergy 6015-2 Corticotropin IgE Ab · Allergy 6016-0 Alder Ab.IgE · Allergy 6017-8 House dust Allergopharma IgE Ab · Allergy 6018-6 Almond IgE Ab · Allergy 6019-4 Alternaria alternata IgE Ab · Allergy 6020-2 Apple IgE Ab · Allergy 6021-0 Ascaris sp IgE Ab · Allergy 6022-8 Aspergillus amstelodami IgE Ab · Allergy 6023-6 Aspergillus flavus IgE Ab · Allergy 6024-4 Aspergillus fumigatus IgE Ab · Allergy 6025-1 Aspergillus terreus IgE Ab · Allergy 6026-9 Aspergillus versicolor IgE Ab · Allergy 6027-7 Australian parrot droppings IgE Ab · Allergy 6028-3 Aureobasidium pullulans IgE Ab · Allergy 6028-5 Aureobasidium pullulans IgE Ab · Allergy 6029-3 Budgerigar feather IgE Ab · Allergy 6030-1 Budgerigar serum proteins IgE Ab · Allergy 6031-9 Australian pine IgE Ab · Allergy 6032-7 Avocado IgE Ab · Allergy 6033-5 Bahia grass IgE Ab · Allergy 6034-3 Banana IgE Ab · Allergy 6035-0 Barley IgE Ab · Allergy 6036-8 Barley IgE Ab · Allergy 6037-6 American Beech IgE Ab · Allergy 6038-4 Beef IgE Ab · Allergy 6039-2 House dust Bencard IgE Ab · Allergy 6040-0 Bermuda grass IgE Ab · Allergy 6041-8 Beta lactoglobulin MF77 IgE Ab · Allergy 6042-6 Birch Ab.IgE · Allergy 6043-4 Black Ant IgE Ab · Allergy 6044-2 Black Pepper IgE Ab · Allergy 6045-9 Black Walnut Pollen IgE Ab · Allergy 6046-7 Bloodworm IgE Ab · Allergy 6047-5 Blue mussel IgE Ab · Allergy 6048-3 Botrytis cinerea IgE Ab · Allergy 6049-1 Brazil Nut IgE Ab · Allergy 6050-9 Brewer's yeast IgE Ab · Allergy 6051-7