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 493 of 2,187 · by category · by group · panels · answer lists · parts
CT Cervical spine W contrast IV · Radiology 24933-4 CT Cervical spine W contrast IT · Radiology 24934-2 MR Cervical spine · Radiology 24935-9 MR Cervical spine W anesthesia · Radiology 24936-7 MR Cervical spine WO and W contrast IV · Radiology 24937-5 MR Cervical spine W contrast IV · Radiology 24938-3 XR Cervical spine 5 Views · Radiology 24939-1 XR Cervical spine Single view · Radiology 24940-9 XR Cervical spine 3 Views · Radiology 24941-7 XR Cervical spine AP and Lateral · Radiology 24942-5 XR Cervical spine Lateral · Radiology 24943-3 XR Cervical spine Swimmers · Radiology 24944-1 XR Cervical spine Views W flexion and W extension · Radiology 24945-8 XR Cervical spine Views · Radiology 24946-6 RF Cervical spine Views W contrast IT · Radiology 24947-4 XR Spine Cervical Odontoid and Cervical axis AP · Radiology 24948-2 CT Lumbar spine · Radiology 24963-1 CT Lumbar spine W contrast IV · Radiology 24964-9 CT Lumbar spine W contrast IT · Radiology 24965-6 DXA Lumbar spine Bone density · Radiology 24966-4 MR Lumbar spine WO and W contrast IV · Radiology 24967-2 MR Lumbar spine · Radiology 24968-0 XR Lumbar spine Lateral · Radiology 24969-8 XR Lumbar spine AP and Lateral · Radiology 24970-6 XR Lumbar spine Views W flexion and W extension · Radiology 24971-4 XR Lumbar spine Views · Radiology 24972-2 RF Guidance for fluid aspiration of Lumbar spine space · Radiology 24973-0 RF Lumbar spine Views W contrast IT · Radiology 24974-8 XR Spine.lumbar and Sacroiliac joint - bilateral Views · Radiology 24975-5 MR Lumbar spine W anesthesia · Radiology 24977-1 CT Thoracic spine · Radiology 24978-9 CT Thoracic spine W contrast IV · Radiology 24979-7 MR Thoracic spine · Radiology 24980-5 MR Thoracic spine WO and W contrast IV · Radiology 24981-3 MR Thoracic spine W contrast IV · Radiology 24982-1 XR Thoracic spine Views · Radiology 24983-9 XR Thoracic and lumbar spine 2 Views · Radiology 24984-7 RF Thoracic spine Views W contrast IT · Radiology 24985-4 CT Guidance for biopsy of Spine · Radiology 24986-2 CT Spine W contrast IV · Radiology 24987-0 CT Spleen · Radiology 24988-8 CT Spleen WO and W contrast IV · Radiology 24989-6 US Spleen · Radiology 24990-4 RFA Splenic vein and Portal vein Views W contrast IA · Radiology 24991-2 RFA Splenic artery Views W contrast IA · Radiology 24992-0 X-ray · Radiology 24993-8 XR Sternum Views · Radiology 24994-6 RF Guidance for placement of tube in Stomach · Radiology 24995-3 RF Guidance for percutaneous replacement of gastrostomy of Stomach · Radiology 24996-1 NM Stomach Views for gastric emptying solid phase W Tc-99m SC PO · Radiology 24997-9