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 418 of 2,187 · by category · by group · panels · answer lists · parts
Cadmium · Drug and toxicology 21129-2 Cadmium in 24 hour Urine · Drug and toxicology 21130-0 Calcitonin --10 minutes post 0.5 ug/kg pentagastrin IV · Challenge tests 21131-8 Calcitonin --1 minute post 0.5 ug/kg pentagastrin IV · Challenge tests 21132-6 Calcitonin --2 minutes post 0.5 ug/kg pentagastrin IV · Challenge tests 21133-4 Calcitonin --3 minutes post 0.5 ug/kg pentagastrin IV · Challenge tests 21134-2 Canrenone · Drug and toxicology 21135-9 Melon IgG Ab RAST class (qualitative) · Allergy 21136-7 Carageenan IgE Ab RAST class (qualitative) · Allergy 21137-5 Carbaryl (Urine) · Drug and toxicology 21138-3 Carbofuran (Urine) · Drug and toxicology 21139-1 Carbophenothion (Urine) · Drug and toxicology 21140-9 Cardamon IgE Ab RAST class (qualitative) · Allergy 21141-7 Carisoprodol (Urine, qualitative) · Drug and toxicology 21142-5 Carp IgE Ab · Allergy 21143-3 Carp IgE Ab RAST class (qualitative) · Allergy 21144-1 Carrot IgG Ab RAST class (qualitative) · Allergy 21145-8 Casein IgG Ab RAST class (qualitative) · Allergy 21146-6 Cauliflower IgG Ab RAST class (qualitative) · Allergy 21147-4 White Cedar IgE Ab · Allergy 21148-2 Cefaclor IgE Ab · Drug and toxicology 21149-0 Cefaclor IgE Ab RAST class (qualitative) · Allergy 21150-8 cefTAZidime in Specimen · Drug and toxicology 21151-6 Celery IgG Ab RAST class (qualitative) · Allergy 21152-4 CD10 cells/100 cells in Unspecified specimen · Cell markers 21153-2 CD11c cells/cells in Specimen · Cell markers 21154-0 CD13 cells/100 cells in Unspecified specimen · Cell markers 21155-7 CD14 cells/100 cells in Unspecified specimen · Cell markers 21156-5 CD19 cells/100 cells in Unspecified specimen · Cell markers 21157-3 CD20 cells/100 cells in Unspecified specimen · Cell markers 21158-1 CD23 cells/gated cells in Unspecified specimen · Cell markers 21159-9 CD3 cells/100 cells in Unspecified specimen · Cell markers 21160-7 CD33 cells/100 cells in Unspecified specimen · Cell markers 21161-5 CD34 cells/100 cells in Unspecified specimen · Cell markers 21162-3 CD38 cells/100 cells in Unspecified specimen · Cell markers 21163-1 CD4 cells/gated cells in Unspecified specimen · Cell markers 21164-9 CD5 cells/100 cells in Unspecified specimen · Cell markers 21165-6 CD56 cells/cells in Specimen · Cell markers 21166-4 CD61 cells/cells in Specimen · Cell markers 21167-2 CD7 cells/100 cells in Unspecified specimen · Cell markers 21168-0 CD71 cells/cells in Specimen · Cell markers 21169-8 CD8 cells/gated cells in Unspecified specimen · Cell markers 21170-6 FMC7 cells/cells in Specimen · Cell markers 21171-4 XXX cells/cells in Specimen · Cell markers 21172-2 Cephaeline · Drug and toxicology 21173-0 Cephaeline (Urine) · Drug and toxicology 21174-8 Cephalexin in Specimen · Drug and toxicology 21175-5 Cerebroventricular lining cells (CSF, qualitative, light microscopy) · CYTO 21176-3 CFTR gene mutations found or Tissue (Blood, molecular genetics method nominal) · Molecular pathology, mutations 21177-1 Cheese cheddar type IgG Ab RAST class (qualitative) · Allergy 21178-9