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 494 of 2,187 · by category · by group · panels · answer lists · parts
RF Placement check of gastrostomy tube W contrast via GI tube · Radiology 24998-7 MR Temporomandibular joint · Radiology 24999-5 XR Temporomandibular joint Views · Radiology 25000-1 NM Scrotum and testicle Views W Tc-99m pertechnetate IV · Radiology 25001-9 US Scrotum and testicle · Radiology 25002-7 MRA Thigh vessels W contrast IV · Radiology 25003-5 Thigh MRI Multisection · Radiology 25004-3 RFA Three vessels Views W contrast · Radiology 25005-0 XR Thumb Views · Radiology 25006-8 NM Thyroid gland Views W I-131 IV · Radiology 25007-6 NM Thyroid gland Views and Views uptake W I-131 IV · Radiology 25008-4 US Guidance for biopsy of Thyroid gland · Radiology 25009-2 US Thyroid gland · Radiology 25010-0 XR Tibia and Fibula Views · Radiology 25011-8 RFA Guidance for angioplasty of Tibial artery-- W contrast IA · Radiology 25012-6 XR Toes Views · Radiology 25013-4 RFA Two vessels Views W contrast · Radiology 25014-2 Replacement of percutaneous gastrojejunostomy Upper GI tract Document · DOC.MISC 25015-9 RF Urethra Views W contrast intra urethra · Radiology 25016-7 RF Urinary bladder and Urethra Views W contrast intra bladder · Radiology 25017-5 NM Urinary bladder Views · Radiology 25018-3 US Urinary bladder · Radiology 25019-1 RF Urinary bladder and Urethra Views W contrast retrograde via urethra · Radiology 25020-9 Urinary Bladder & Urethra Fluoroscopy W voiding · Radiology 25021-7 RF Uterus and Fallopian tubes Views W contrast IU · Radiology 25022-5 RFA Vein Views W contrast IV · Radiology 25023-3 RFA Guidance for placement of peripherally-inserted central venous catheter in Vein · Radiology 25024-1 RFA Vena cava Views W contrast IV · Radiology 25025-8 RFA Guidance for placement of venous filter in Inferior vena cava-- W contrast IV · Radiology 25026-6 Guidance for placement of large bore CV catheter in Vein · Radiology 25027-4 RFA Guidance for placement of catheter for infusion of thrombolytic in Vessel-- W contrast intravascular · Radiology 25028-2 RFA Guidance for placement of catheter for vasoconstrictor infusion in Vessels · Radiology 25029-0 RFA Abdominal arteries Views W contrast IA · Radiology 25030-8 NM Bone Views · Radiology 25031-6 NM Bone Views W In-111 tagged WBC IV · Radiology 25032-4 MR Wrist · Radiology 25033-2 RF Wrist Arthrogram · Radiology 25034-0 MR Wrist WO and W contrast IV · Radiology 25035-7 US Wrist · Radiology 25036-5 Wrist X-ray · Radiology 25037-3 Courtesy consultation Document · DOC.MISC 25038-1 CT Unspecified body region limited · Radiology 25039-9 Unspecified body region CT 3D · Radiology 25040-7 CT Guidance for aspiration or biopsy of Unspecified body region-- W contrast IV · Radiology 25041-5 CT Guidance for aspiration or biopsy of Unspecified body region · Radiology 25042-3 CT Guidance for fluid aspiration of Unspecified body region · Radiology 25043-1 CT Guidance for biopsy of Unspecified body region · Radiology 25044-9 CT Unspecified body region · Radiology 25045-6 CT Unspecified body region W anesthesia · Radiology 25046-4 CT Unspecified body region W conscious sedation · Radiology 25047-2