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 488 of 2,187 · by category · by group · panels · answer lists · parts
XR Sacrum and Coccyx Views · Radiology 24665-2 RF Colon Views W air and barium contrast PR · Radiology 24666-0 RF Colon Views W contrast PR · Radiology 24667-8 RF Colon Single view for transit Post solid contrast · Radiology 24668-6 RF Colon Views W water soluble contrast PR · Radiology 24669-4 US Guidance for biopsy of cyst of Unspecified body region · Radiology 24670-2 RF Guidance for aspiration of cyst of Unspecified body region · Radiology 24671-0 US Diaphragm for motion · Radiology 24672-8 Duodenum Radio fluoroscopy W contrast PO and hypotonic agent per ng · Radiology 24673-6 MR Elbow · Radiology 24674-4 MR Elbow WO and W contrast IV · Radiology 24675-1 XR Elbow Views · Radiology 24676-9 US Pelvis transvaginal · Radiology 24677-7 RF Esophagus Views W contrast PO · Radiology 24678-5 RF Esophagus Views W gastrografin PO · Radiology 24679-3 RF Guidance for dilation of Esophagus · Radiology 24680-1 RF videography Hypopharynx and Esophagus Views · Radiology 24681-9 RF videography Hypopharynx and Esophagus Views W liquid and paste contrast PO during swallowing · Radiology 24682-7 NM Esophagus+Stomach Views W Tc-99m SC PO · Radiology 24683-5 RFA Guidance for embolectomy of Extracranial vessels-- W contrast IA · Radiology 24684-3 RFA Peripheral veins Views W contrast IV · Radiology 24685-0 XR Lower extremity Views · Radiology 24686-8 MR Lower Extremity Joint · Radiology 24687-6 MR Upper extremity · Radiology 24688-4 XR Upper extremity Views · Radiology 24689-2 CT Extremity · Radiology 24690-0 CT Extremity W contrast IV · Radiology 24691-8 US Guidance for drainage and placement of drainage catheter of Extremity · Radiology 24692-6 US Extremity · Radiology 24693-4 MR Face WO and W contrast IV · Radiology 24694-2 XR Facial bones Views · Radiology 24695-9 CT Facial bones · Radiology 24696-7 CT Facial bones W contrast IV · Radiology 24697-5 RFA Guidance for angioplasty of Femoral artery-- W contrast IA · Radiology 24698-3 RFA Femoral artery Runoff W contrast IA · Radiology 24699-1 XR Femur and Tibia Views for leg length · Radiology 24700-7 DXA Femur Bone density · Radiology 24701-5 MR Thigh · Radiology 24702-3 MR Thigh WO and W contrast IV · Radiology 24703-1 XR Femur Views · Radiology 24704-9 MR Finger · Radiology 24705-6 XR Finger Views · Radiology 24706-4 MR Foot · Radiology 24707-2 XR Foot Views W standing · Radiology 24708-0 XR Foot Views · Radiology 24709-8 MR Forearm · Radiology 24710-6 US Gallbladder · Radiology 24711-4 XR Gallbladder Views W contrast PO · Radiology 24712-2 XR Gallbladder Views 48H post contrast PO · Radiology 24713-0 NM Gastrointestinal tract Views for gastrointestinal bleeding W Tc-99m tagged RBC IV · Radiology 24714-8