Table 2.
The Descriptions, Codes, and Frequencies of the 74 LOINC codes That Made Up the 24 978 Crossover CTs With the Same LOINC Code
| CT description | LOINC | Frequency | CT description | LOINC | Frequency |
|---|---|---|---|---|---|
| Head CT WO contrast | 30799-1 | 11 856 | Facial bones and Sinuses Narrative CT | 24696-7 | 10 |
| Chest CT | 24627-2 | 2902 | Spine Thoracic CT | 24978-9 | 10 |
| Abdomen and Pelvis CT W contrast IV | 36813-4 | 2442 | Neck CT WO contrast | 36514-8 | 10 |
| Abdomen and Pelvis CT | 44115-4 | 1788 | Lower extremity - bilateral CT W contrast IV | 50755-8 | 10 |
| Chest CT WO contrast | 29252-4 | 1579 | Head CT W and WO contrast IV | 24726-2 | 9 |
| Abdomen and Pelvis CT WO contrast | 36952-0 | 1043 | Upper extremity Narrative CT | 35981-0 | 9 |
| Chest CT W contrast IV | 24628-0 | 776 | Narrative PET whole body | 44139-4 | 9 |
| Head CT | 24725-4 | 690 | Heart CT | 58744-4 | 7 |
| Spine Cervical CT WO contrast | 30592-0 | 403 | Spine Lumbar CT W contrast IV | 24964-9 | 6 |
| Abdomen CT | 41806-1 | 203 | Abdomen CT WO contrast | 36424-0 | 6 |
| Chest vessels CT angiogram W and WO contrast IV | 30804-9 | 191 | Lower extremity – left CT WO contrast | 36452-1 | 6 |
| Spine Lumbar CT WO contrast | 30620-9 | 106 | Neck CT W and WO contrast IV | 30586-2 | 5 |
| Neck CT W contrast IV | 36235-0 | 79 | Temporal bone CT WO contrast | 36866-2 | 5 |
| Lower extremity CT | 35971-1 | 72 | Unspecified body region CT | 25045-6 | 4 |
| Abdomen and Pelvis CT W and WO contrast IV | 42274-1 | 72 | Sinuses CT | 30588-8 | 4 |
| Neck CT | 36051-1 | 62 | Lower extremity vessels CT angiogram W and WO contrast IV | 30807-2 | 4 |
| Chest vessels Narrative CT angiogram W contrast IV | 36266-5 | 52 | Lower extremity – bilateral CT | 35973-7 | 4 |
| Pelvis CT W contrast IV | 24866-6 | 47 | Lower extremity – left CT W contrast IV | 36164-2 | 4 |
| Pelvis CT | 24865-8 | 40 | Lower extremity – right CT WO contrast | 36454-7 | 4 |
| Spine Lumbar CT | 24963-1 | 39 | Lower extremity Narrative CT WO contrast | 30625-8 | 3 |
| Spine Thoracic CT WO contrast | 30597-9 | 37 | Pulmonary artery Narrative CT angiogram W contrast IV | 36147-7 | 3 |
| Abdomen CT W and WO contrast IV | 36267-3 | 37 | Lower extremity – right CT W contrast IV | 36166-7 | 3 |
| Head vessels CT angiogram W and WO contrast IV | 30593-8 | 28 | Upper extremity – right CT W contrast IV | 36170-9 | 3 |
| Pelvis CT WO contrast | 30615-9 | 24 | Temporal bone CT | 36773-0 | 3 |
| Head to thigh Narrative PET | 58741-0 | 24 | Heart CT for scoring | 36934-8 | 3 |
| Abdominal vessels CT angiogram W and WO contrast IV | 30805-6 | 23 | Head CT W contrast IV | 24727-0 | 2 |
| Chest CT W and WO contrast IV | 30598-7 | 22 | Spine Cervical CT W contrast IV | 24933-4 | 2 |
| Facial bones and Maxilla CT WO contrast | 30802-3 | 21 | Spine Thoracic CT W contrast IV | 24979-7 | 2 |
| CT Guidance for biopsy of Lung | 24823-7 | 20 | Lower extremity Narrative CT W contrast IV | 30624-1 | 2 |
| Spine Cervical CT | 24932-6 | 20 | Maxilla CT | 36050-3 | 2 |
| Sinuses CT WO contrast | 36529-6 | 20 | Spine Lumbar CT W and WO contrast IV | 36402-6 | 2 |
| Narrative CT whole body | 46305-9 | 20 | Upper extremity – left CT WO contrast | 36457-0 | 2 |
| Abdomen CT W contrast | 30599-5 | 17 | Upper extremity – right CT WO contrast | 36458-8 | 2 |
| Neck vessels CT angiogram W and WO contrast IV | 30594-6 | 14 | Mandible CT WO contrast | 36512-2 | 2 |
| Chest CT high resolution WO contrast | 37441-3 | 14 | Head vessels and Neck vessels Narrative CT angiogram W contrast IV | 37498-3 | 2 |
| Facial bones and Maxilla CT | 41808-7 | 14 | Chest and Abdomen CT W and WO contrast IV | 42277-4 | 2 |
| Pelvis vessels CT angiogram W and WO contrast IV | 30623-3 | 13 | Orbit CT WO contrast | 46331-5 | 2 |
| Total | 24 978 | ||||