74177
CT abdomen and pelvis, with contrast
Computed tomography of the abdomen and pelvis with IV contrast material. CMS 2026 global wRVU 1.82, total RVU approximately 7.16, Medicare global allowable approximately $239. The workhorse abdominal CT for most clinical indications; replaces billing CT abdomen plus CT pelvis separately when both are acquired with contrast.
Billing guidance for 74177 is locked
- When to use it: the exact clinical situations that support billing 74177
- Documentation checklist: the 5 elements your note needs before submitting
- Common pitfalls: the 5 mistakes that get 74177 downcoded or denied
Payer notes
Medicare covers 74177 with appropriate indication and contrast-safety documentation. Outpatient prior authorization is common for commercial payers (UnitedHealthcare, Aetna, Anthem) when the study is non-urgent. ED-ordered 74177 is auto-approved post-care. Medicare Advantage plans frequently require prior auth for outpatient CT; document the indication and clinical urgency to support medical necessity.