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 492 of 2,187 · by category · by group · panels · answer lists · parts
MR Pituitary and Sella turcica · Radiology 24880-7 US Popliteal space · Radiology 24881-5 RFA Guidance for percutaneous transluminal angioplasty of Popliteal artery-- W contrast IA · Radiology 24882-3 US Guidance for percutaneous biopsy of Prostate · Radiology 24883-1 US Prostate transrectal · Radiology 24884-9 US Guidance for repair of Pseudoaneurysm/AV fistula · Radiology 24885-6 Pulmonary artery Bilateral X-ray fluoroscopy angio W contrast IA · Radiology 24886-4 RFA Guidance for embolectomy of Pulmonary arteries-- W contrast IA · Radiology 24887-2 NM Pulmonary system Ventilation and Perfusion W Xe-133 IH and W Tc-99m MAA IV · Radiology 24888-0 US Pylorus for pyloric stenosis · Radiology 24889-8 DXA Radius and Ulna Bone density · Radiology 24890-6 XR Radius and Ulna Views · Radiology 24891-4 US Rectum · Radiology 24892-2 RF Rectum Single view post contrast PR during defecation · Radiology 24893-0 RF Rectum and Urinary bladder Views W contrast PR and intra bladder during defecation and voiding · Radiology 24894-8 US Guidance for drainage and placement of drainage catheter of Kidney · Radiology 24896-3 XR Ribs Views · Radiology 24899-7 XR Sacroiliac Joint Views · Radiology 24900-3 CT Guidance for injection of Sacroiliac Joint · Radiology 24901-1 RF Salivary gland Views W contrast intra salivary duct · Radiology 24902-9 XR Scapula Views · Radiology 24903-7 CT Pituitary and Sella turcica WO and W contrast IV · Radiology 24904-5 MR Shoulder · Radiology 24905-2 MR Shoulder WO and W contrast IV · Radiology 24906-0 US Shoulder · Radiology 24907-8 XR Shoulder 3 Views · Radiology 24908-6 XR Shoulder Views · Radiology 24909-4 RF Shoulder Arthrogram · Radiology 24910-2 RF Shunt Views · Radiology 24911-0 RF Sinus tract Views W contrast intra sinus tract · Radiology 24912-8 CT Sinuses limited · Radiology 24913-6 MR Sinuses · Radiology 24914-4 MR Sinuses W contrast IV · Radiology 24915-1 XR Sinuses Views · Radiology 24916-9 XR Skull Single view · Radiology 24917-7 XR Skull 3 Views · Radiology 24918-5 XR Skull AP and Lateral · Radiology 24919-3 XR Skull Lateral · Radiology 24920-1 XR Skull Waters · Radiology 24921-9 XR Skull 5 Views · Radiology 24922-7 RF Small bowel Views W positive contrast via enteroclysis tube · Radiology 24923-5 RF Small bowel Views W contrast PO · Radiology 24924-3 RFA Spinal artery Views W contrast IA · Radiology 24925-0 US Spine · Radiology 24926-8 RF Spine Views W contrast intradisc · Radiology 24927-6 XR Spine AP and Lateral · Radiology 24928-4 XR Thoracic and lumbar spine Views for scoliosis W flexion and W extension · Radiology 24929-2 XR Thoracic and lumbar spine Views for scoliosis · Radiology 24930-0 RF Guidance for injection of Spine facet joint · Radiology 24931-8 CT Cervical spine · Radiology 24932-6