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 109 of 2,187 · by category · by group · panels · answer lists · parts
Varicella zoster virus Ab (complement fixation) · Microbiology 5401-5 Varicella zoster virus Ab (latex agglutination) · Microbiology 5402-3 Varicella zoster virus IgG Ab (immunoassay) · Microbiology 5403-1 Varicella zoster virus IgM Ab (immunoassay) · Microbiology 5404-9 Vibrio cholerae Ab · Microbiology 5405-6 Western equine encephalitis virus Ab · Microbiology 5406-4 Yersinia enterocolitica O:3 Ab · Microbiology 5407-2 Yersinia enterocolitica O:8 Ab · Microbiology 5408-0 Yersinia enterocolitica O:9 Ab · Microbiology 5409-8 Yersinia pseudotuberculosis Ab · Microbiology 5410-6 Yersinia sp Ab · Microbiology 5411-4 B-B4 (Blood) · Cell markers 5412-2 CD1 cells/100 cells (Blood) · Cell markers 5413-0 CD10 cells/100 cells (Blood) · Cell markers 5414-8 CD10+CD20+ · Cell markers 5415-5 CD100 cells/100 cells (Blood) · Cell markers 5416-3 CD102 cells/100 cells (Blood) · Cell markers 5417-1 CD103 cells/100 cells (Blood) · Cell markers 5418-9 CD104 cells/100 cells (Blood) · Cell markers 5419-7 CD105 cells/100 cells (Blood) · Cell markers 5420-5 CD106 cells/100 cells (Blood) · Cell markers 5421-3 CD107a cells/100 cells (Blood) · Cell markers 5422-1 CD107b cells/100 cells (Blood) · Cell markers 5423-9 CD115 cells/100 cells (Blood) · Cell markers 5424-7 CD117 cells/100 cells (Blood) · Cell markers 5425-4 CD11a cells/100 cells (Blood) · Cell markers 5426-2 CD11b cells/100 cells (Blood) · Cell markers 5427-0 CD11c cells/100 cells (Blood) · Cell markers 5428-8 CD120A cells/100 cells (Blood) · Cell markers 5429-6 CD120B cells/100 cells (Blood) · Cell markers 5430-4 CD122 cells/100 cells (Blood) · Cell markers 5431-2 CD126 cells/100 cells (Blood) · Cell markers 5432-0 CD128 cells/100 cells (Blood) · Cell markers 5433-8 CD13 cells/100 cells (Blood) · Cell markers 5434-6 CD14 (Blood) · Cell markers 5435-3 CD15 cells/100 cells (Blood) · Cell markers 5436-1 CD16 cells/100 cells (Blood) · Cell markers 5437-9 CD3-CD16+CD56+ cells/100 cells (Blood) · Cell markers 5438-7 CD16+CD57+ cells/100 cells (Blood) · Cell markers 5439-5 CD16+CD57- cells/100 cells (Blood) · Cell markers 5440-3 CD16-CD57+ cells/100 cells (Blood) · Cell markers 5441-1 CD16b · Cell markers 5442-9 CD18 cells/100 cells (Blood) · Cell markers 5443-7 CD19 cells/100 cells (Blood) · Cell markers 5444-5 CD19+Kappa+ cells/100 cells (Blood) · Cell markers 5445-2 CD19+Lambda+ cells/100 cells (Blood) · Cell markers 5446-0 CD2 cells/100 cells (Blood) · Cell markers 5447-8 CD20 cells/100 cells (Blood) · Cell markers 5448-6 CD21 cells/100 cells (Blood) · Cell markers 5449-4 CD22 (Blood) · Cell markers 5450-2