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 486 of 2,187 · by category · by group · panels · answer lists · parts
XR Abdomen AP left lateral-decubitus · Radiology 24561-3 XR Abdomen Left lateral-decubitus and Right lateral-decubitus · Radiology 24562-1 XR Abdomen AP right lateral-decubitus · Radiology 24563-9 Portable XR Abdomen AP upright · Radiology 24564-7 Chest and Abdomen Narrative X-ray · Radiology 24565-4 CT Retroperitoneum · Radiology 24566-2 Abdomen>Retroperitoneum CT W contrast · Radiology 24567-0 RFA Guidance for atherectomy of AV fistula-- W contrast IV · Radiology 24568-8 RFA AV shunt Views W contrast IV · Radiology 24569-6 RF Guidance for removal of calculus from Biliary duct common-- W contrast retrograde intra biliary · Radiology 24570-4 NM Biliary ducts and Gallbladder Views for patency of biliary structures and ejection fraction W sincalide and W radionuclide IV · Radiology 24571-2 NM Biliary ducts and Gallbladder Views for patency of biliary structures W Tc-99m IV · Radiology 24572-0 XR Biliary ducts and Gallbladder Views W contrast IV · Radiology 24573-8 RF Biliary ducts and Gallbladder Views during surgery W contrast biliary duct · Radiology 24574-6 RF Biliary ducts and Gallbladder Views W contrast percutaneous transhepatic · Radiology 24575-3 RFA Urinary bladder arteries Views W contrast IA · Radiology 24576-1 XR Bone Views during surgery · Radiology 24577-9 SPECT Bones · Radiology 24578-7 XR Long bones Survey Views · Radiology 24579-5 RFA Guidance for angioplasty of Brachiocephalic artery-- W contrast IA · Radiology 24580-3 RFA Subclavian artery and Brachial artery Views W contrast IA · Radiology 24581-1 MR Brachial plexus · Radiology 24582-9 MR Brachial plexus WO and W contrast IV · Radiology 24583-7 MRA Thoracic inlet vessels W contrast IV · Radiology 24584-5 CT Guidance for stereotactic biopsy of Head-- W contrast IV · Radiology 24585-2 MR Brain W anesthesia · Radiology 24586-0 MR Brain WO and W contrast IV · Radiology 24587-8 MR Brain WO and W contrast IV and W anesthesia · Radiology 24588-6 MR Brain W contrast IV · Radiology 24589-4 MR Brain · Radiology 24590-2 NM Brain Brain death protocol Views W Tc-99m HMPAO IV · Radiology 24591-0 Views^W 99m Tc DISIDA or MIBIDA · Radiology 24592-8 MRA Head vessels W contrast IV · Radiology 24593-6 MG Guidance for aspiration of cyst of Breast · Radiology 24594-4 MG Guidance for needle localization of mass of Breast · Radiology 24595-1 US Breast specimen · Radiology 24596-9 MG Breast specimen Views · Radiology 24597-7 MG Guidance for fluid aspiration of Breast · Radiology 24598-5 US Breast limited · Radiology 24599-3 US Guidance for needle localization of Breast · Radiology 24600-9 US Breast · Radiology 24601-7 MG Guidance for biopsy of Breast · Radiology 24602-5 MG stereo Guidance for biopsy of Breast · Radiology 24603-3 MG Breast Diagnostic Limited Views · Radiology 24604-1 MG Breast Diagnostic · Radiology 24605-8 MG Breast Screening · Radiology 24606-6 MG Guidance for percutaneous biopsy.core needle of Breast · Radiology 24609-0 MG Breast Limited Views · Radiology 24610-8 Outpatient Consultation 2nd opinion · Document ontology 24611-6 XR Calcaneus Views · Radiology 24612-4