CPT 42842
Extensive surgery of throat
CPT 42842 at a glance
- Code
- 42842
- Code type
- CPT/HCPCS
- Short descriptor
- Extensive surgery of throat
- 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 42842?
CPT 42842 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Extensive surgery of throat". In the ASC context it is grouped under ASC Surgical.
Is CPT 42842 payable in an ambulatory surgery center (ASC)?
CPT 42842 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 42842 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 42842?
CPT 42842 is most associated with General Surgery.
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.