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 487 of 2,187 · by category · by group · panels · answer lists · parts
RFA Guidance for placement of catheter in artery in Central cardiovascular artery · Radiology 24613-2 RFA Guidance for angioplasty of Carotid artery extracranial-- W contrast IA · Radiology 24614-0 RFA Guidance for angioplasty of Carotid artery.intracranial-- W contrast IA · Radiology 24615-7 US Carotid arteries · Radiology 24616-5 RFA Carotid arteries Views W contrast IA · Radiology 24617-3 XR Wrist Views · Radiology 24619-9 RF Catheter Views for patency check W contrast via catheter · Radiology 24620-7 RF Guidance for percutaneous drainage and placement of drainage catheter of Unspecified body region · Radiology 24621-5 RFA Celiac artery Views W contrast IA · Radiology 24622-3 CT Guidance for nerve block of Celiac plexus · Radiology 24623-1 RFA Guidance for change of CV catheter in Vein-- W contrast IV · Radiology 24624-9 RFA Guidance for placement of CV catheter in Vein-- W contrast IV · Radiology 24625-6 RFA Guidance for reposition of CV catheter in Vein-- W contrast IV · Radiology 24626-4 CT Chest · Radiology 24627-2 CT Chest W contrast IV · Radiology 24628-0 MR Chest · Radiology 24629-8 US Chest · Radiology 24630-6 RF Unspecified body region Views for central venous catheter placement check · Radiology 24631-4 Portable XR Chest Views AP · Radiology 24632-2 Portable XR Chest Views W inspiration and expiration · Radiology 24634-8 XR Chest PA upright Views W inspiration and expiration · Radiology 24635-5 Portable XR Chest AP left lateral-decubitus · Radiology 24636-3 XR Chest AP left lateral-decubitus · Radiology 24637-1 Portable XR Chest Left lateral upright · Radiology 24638-9 XR Chest Left lateral upright · Radiology 24639-7 XR Chest Apical lordotic · Radiology 24640-5 Portable XR Chest Left oblique · Radiology 24641-3 XR Chest AP and PA upright · Radiology 24642-1 XR Chest PA and Lateral and Oblique upright · Radiology 24643-9 Portable XR Chest PA and Lateral upright · Radiology 24644-7 Portable XR Chest PA and Right lateral and Right oblique and Left oblique upright · Radiology 24645-4 XR Chest PA and Right lateral and Right oblique and Left oblique upright · Radiology 24646-2 XR Chest PA and Lateral upright · Radiology 24647-0 XR Chest PA upright · Radiology 24648-8 Portable XR Chest Right lateral-decubitus and Left lateral-decubitus · Radiology 24649-6 XR Chest Right lateral-decubitus and Left lateral-decubitus · Radiology 24650-4 XR Chest Right oblique and Left oblique upright · Radiology 24651-2 Portable XR Chest AP right lateral-decubitus · Radiology 24652-0 XR Chest AP and AP right lateral-decubitus · Radiology 24653-8 Portable XR Chest AP and AP right lateral-decubitus · Radiology 24654-6 RF Chest Image intensifier during surgery · Radiology 24655-3 RF Chest Single view during surgery · Radiology 24656-1 XR tomography Chest · Radiology 24657-9 RFA Thoracic and abdominal aorta Views W contrast IA · Radiology 24658-7 MRA Chest vessels W contrast IV · Radiology 24659-5 MRA Thoracic Aorta · Radiology 24660-3 RF Pleural space Views W contrast intra pleural space · Radiology 24661-1 US Guidance for fluid aspiration of Pleural space · Radiology 24662-9 NM Cerebral cisterns Views W radionuclide IT · Radiology 24663-7 XR Clavicle Views · Radiology 24664-5