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 110 of 2,187 · by category · by group · panels · answer lists · parts
CD22+CD19+ cells/100 cells (Blood) · Cell markers 5451-0 CD23 (Blood) · Cell markers 5452-8 CD24 cells/100 cells (Blood) · Cell markers 5453-6 CD25 cells/100 cells (Blood) · Cell markers 5454-4 CD26 cells/100 cells (Blood) · Cell markers 5455-1 CD27 cells/100 cells (Blood) · Cell markers 5456-9 CD28 cells/100 cells (Blood) · Cell markers 5457-7 CD29 cells/100 cells (Blood) · Cell markers 5458-5 CD3 cells/100 cells (Blood) · Cell markers 5459-3 CD3+DR+ cells/100 cells (Blood) · Cell markers 5460-1 CD30 cells/100 cells (Blood) · Cell markers 5461-9 CD31 cells/100 cells (Blood) · Cell markers 5462-7 CD32 cells/100 cells (Blood) · Cell markers 5463-5 CD33 cells/100 cells (Blood) · Cell markers 5464-3 CD34 cells/100 cells (Blood) · Cell markers 5465-0 CD34+DR+ cells/100 cells (Blood) · Cell markers 5466-8 CD35 cells/100 cells (Blood) · Cell markers 5467-6 CD36 cells/100 cells (Blood) · Cell markers 5468-4 CD37 cells/100 cells (Blood) · Cell markers 5469-2 CD38 cells/100 cells (Blood) · Cell markers 5470-0 CD39 cells/100 cells (Blood) · Cell markers 5471-8 CD4 (Blood) · Cell markers 5472-6 CD4+CD8+ cells/100 cells (Blood) · Cell markers 5473-4 CD4 cells/CD8 Ratio (Blood) · Cell markers 5474-2 CD40 cells/100 cells (Blood) · Cell markers 5475-9 CD41 cells/100 cells (Blood) · Cell markers 5476-7 CD42a cells/100 cells (Blood) · Cell markers 5477-5 CD42b cells/100 cells (Blood) · Cell markers 5478-3 CD42c cells/100 cells (Blood) · Cell markers 5479-1 CD42d cells/100 cells (Blood) · Cell markers 5480-9 CD43 cells/100 cells (Blood) · Cell markers 5481-7 CD44 cells/100 cells (Blood) · Cell markers 5482-5 CD44R cells/100 cells (Blood) · Cell markers 5483-3 CD45 cells/100 cells (Blood) · Cell markers 5484-1 CD45RA cells/100 cells (Blood) · Cell markers 5485-8 CD45RB cells/100 cells (Blood) · Cell markers 5486-6 CD45RO cells/100 cells (Blood) · Cell markers 5487-4 CD46 cells/100 cells (Blood) · Cell markers 5488-2 CD47 cells/100 cells (Blood) · Cell markers 5489-0 CD48 cells/100 cells (Blood) · Cell markers 5490-8 CD49a cells/100 cells (Blood) · Cell markers 5491-6 CD49b cells/100 cells (Blood) · Cell markers 5492-4 CD49c cells/100 cells (Blood) · Cell markers 5493-2 CD49d cells/100 cells (Blood) · Cell markers 5494-0 CD49e cells/100 cells (Blood) · Cell markers 5495-7 CD49f cells/100 cells (Blood) · Cell markers 5496-5 CD5 cells/100 cells (Blood) · Cell markers 5497-3 CD5+CD2- cells/100 cells (Blood) · Cell markers 5498-1 CD50 cells/100 cells (Blood) · Cell markers 5499-9 CD51 cells/100 cells (Blood) · Cell markers 5500-4