G8775 | Documentation of medical reason(s) for not performing serum creatinine test (e.g., patients with palliative goals or for whom treatment of hypertension with standard treatment goals is not clinically appropriate) |
G8774 | Serum creatinine test result documented and reviewed |
G9722 | Documented history of renal failure or baseline serum creatinine >= 4.0 mg/dl; renal transplant recipients are not considered to have preoperative renal failure, unless, since transplantation the cr has been or is 4.0 or higher |