CPT 21343
Open tx dprsd front sinus fx
CPT 21343 at a glance
- Code
- 21343
- Code type
- CPT/HCPCS
- Short descriptor
- Open tx dprsd front sinus fx
- 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 21343?
CPT 21343 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Open tx dprsd front sinus fx". In the ASC context it is grouped under ASC Surgical.
Is CPT 21343 payable in an ambulatory surgery center (ASC)?
CPT 21343 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 21343 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 21343?
CPT 21343 is most associated with General Surgery, Oral & Maxillofacial Surgery, Orthopaedic 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.