VQ scan
- Strengths
- For evaluation of PE in patients with allergy to iodinated contrast or renal insufficiency. CTA is gold standard even in pregnancy.
- Limitations
- limited visualization of anything except the pulmonary arteries.
- Contraindications
- None.
- CPT Code
- 78598
- Exact format for order to be authorized
- VQ scan
- Patient Preparation
- None.
