CPT 21084
Impres&prep sp aid prosthesis
CPT 21084 at a glance
- Code
- 21084
- Code type
- CPT/HCPCS
- Short descriptor
- Impres&prep sp aid prosth
- Category
- ASC Surgical
- ASC eligibility
- ASC-eligible (surgical)
- Typical setting
- Ambulatory surgery center (POS 24); also commonly performed in an office or clinic (POS 11).
- Medicare ASC rate
- $798.91 national · 2026Q2
What is CPT code 21084?
CPT 21084 is a CPT/HCPCS procedure code. Its official short descriptor is "Impres&prep sp aid prosth". In the ASC context it is grouped under ASC Surgical.
Is CPT 21084 eligible in an ambulatory surgery center (ASC)?
CPT 21084 can be performed in a certified ambulatory surgery center.
Where is CPT 21084 typically performed?
Ambulatory surgery center (POS 24); also commonly performed in an office or clinic (POS 11).
What is the Medicare ASC payment rate for CPT 21084?
The national Medicare ASC payment rate for CPT 21084 is $798.91 (CMS ASC Payment System, 2026Q2). This is the national, unadjusted amount published by CMS; the amount an individual ambulatory surgery center is paid is adjusted for local wage index and may differ. It reflects Medicare's facility payment only and does not include the surgeon's professional fee.
Which specialties use CPT 21084?
CPT 21084 is most associated with General Surgery, Oral & Maxillofacial Surgery, Orthopaedic Surgery.
Reference information about ASC eligibility and typical procedure setting. Codes, descriptors, and ASC-eligibility status change over time. This is a coding reference, not billing, coding, or legal advice. Always verify against current guidance and individual payer policy before scheduling or billing. CPT is a registered trademark of the American Medical Association.