CPT 21920
Biopsy soft tissue of back
Last reviewed August 2026 · DataLily AI data team
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CPT 21920 at a glance
- Code
- 21920
- Code type
- CPT/HCPCS
- Short descriptor
- Biopsy soft tissue of back
- 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
- $185.96 national · 2026Q2
What is CPT code 21920?
CPT 21920 is a CPT/HCPCS procedure code for biopsy soft tissue of back. Its official short descriptor is "Biopsy soft tissue of back". In the ASC context it is grouped under ASC Surgical.
Is CPT 21920 eligible in an ambulatory surgery center (ASC)?
CPT 21920 can be performed in a certified ambulatory surgery center.
Where is CPT 21920 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 21920?
The national Medicare ASC payment rate for CPT 21920 is $185.96 (Medicare ASC Payment System, 2026Q2). This is the national, unadjusted Medicare amount; 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 21920?
CPT 21920 is most associated with General 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. Read the DataLily AI data methodology.