CPT 50390
Drainage of kidney lesion
CPT 50390 at a glance
- Code
- 50390
- Code type
- CPT/HCPCS
- Short descriptor
- Drainage of kidney lesion
- Category
- ASC Surgical
- ASC payment status
- Payable in an ASC (surgical)
- CMS addendum
- AA (Surgical)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is CPT code 50390?
CPT 50390 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Drainage of kidney lesion". In the ASC context it is grouped under ASC Surgical.
Is CPT 50390 payable in an ambulatory surgery center (ASC)?
CPT 50390 appears on Medicare's ASC Covered Procedures List (CMS Addendum AA), so Medicare reimburses it when the surgery is performed in a certified ambulatory surgery center.
Where is CPT 50390 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 50390?
CPT 50390 is most associated with Urology.
Reference information compiled from the CMS April 2026 ASC payment addenda (AA, BB, EE). Codes, descriptors, and ASC payment status change with each CMS update. This is a coding reference, not billing, coding, or legal advice. Always verify against the current CMS addenda and individual payer policy before billing. CPT is a registered trademark of the American Medical Association.