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 491 of 2,187 · by category · by group · panels · answer lists · parts
XR Mandible Views · Radiology 24829-4 XR Mastoid Views · Radiology 24830-2 NM Small bowel Views for Meckel's diverticulum W Tc-99m M04 IV · Radiology 24831-0 RFA Guidance for angioplasty of Mesenteric artery-- W contrast IA · Radiology 24832-8 RFA Mesenteric artery Views W contrast IA · Radiology 24833-6 XR Nasal bones Views · Radiology 24834-4 CT Nasopharynx and Neck · Radiology 24835-1 CT Nasopharynx and Neck W contrast IV · Radiology 24836-9 CT Guidance for fluid aspiration of Neck · Radiology 24837-7 CT Guidance for biopsy of Neck · Radiology 24838-5 MR Neck · Radiology 24839-3 MR Neck WO and W contrast IV · Radiology 24840-1 MR Neck W contrast IV · Radiology 24841-9 US Neck · Radiology 24842-7 XR Neck Lateral · Radiology 24843-5 MRA Neck vessels W contrast IV · Radiology 24844-3 RF Neck Views W contrast intra larynx · Radiology 24845-0 XR Optic foramen Views · Radiology 24846-8 CT Orbit - bilateral · Radiology 24848-4 CT Orbit - bilateral WO and W contrast IV · Radiology 24849-2 CT Orbit - bilateral W contrast IV · Radiology 24850-0 MR Orbit - bilateral WO and W contrast IV · Radiology 24851-8 MR Orbit - bilateral W contrast IV · Radiology 24852-6 US Eye+Orbit - bilateral · EYE.US 24853-4 XR Orbit - bilateral Views · Radiology 24854-2 RF videography Oropharynx Views · Radiology 24855-9 CT Guidance for fluid aspiration of Pancreas · Radiology 24856-7 CT Pancreas · Radiology 24857-5 CT Pancreas W contrast IV · Radiology 24858-3 US Pancreas · Radiology 24859-1 RFA Pancreatic artery Views W contrast IA · Radiology 24860-9 XR Patella 2 Views · Radiology 24861-7 RFA Iliac artery Internal Views W contrast IA · Radiology 24862-5 CT Guidance for fluid aspiration of Pelvis · Radiology 24863-3 CT Guidance for biopsy of Pelvis · Radiology 24864-1 CT Pelvis · Radiology 24865-8 CT Pelvis W contrast IV · Radiology 24866-6 MR Pelvis · Radiology 24867-4 US Guidance for drainage and placement of drainage catheter of Pelvis · Radiology 24868-2 US Pelvis · Radiology 24869-0 US.doppler Pelvis vessels · Radiology 24870-8 XR Pelvis Pelvimetry · Radiology 24871-6 MR Pelvis and Hip · Radiology 24872-4 MRA Pelvis vessels W contrast IV · Radiology 24873-2 RFA Peripheral arteries Views W contrast IA · Radiology 24874-0 Peripheral vessel US.doppler Peripheral plane · Radiology 24875-7 NM Head to Pelvis Views for shunt patency W Tc-99m DTPA IT · Radiology 24876-5 CT Petrous part of temporal bone · Radiology 24877-3 CT Petrous part of temporal bone W contrast IV · Radiology 24878-1 MR Pituitary and Sella turcica WO and W contrast IV · Radiology 24879-9