CPT 73580
Contrast x-ray of knee joint
CPT 73580 at a glance
- Code
- 73580
- Code type
- CPT/HCPCS
- Short descriptor
- Contrast x-ray of knee joint
- Category
- ASC Ancillary
- ASC payment status
- Payable in an ASC (ancillary)
- CMS addendum
- BB (Ancillary)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is CPT code 73580?
CPT 73580 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Contrast x-ray of knee joint". In the ASC context it is grouped under ASC Ancillary.
Is CPT 73580 payable in an ambulatory surgery center (ASC)?
CPT 73580 is a covered ancillary service (CMS Addendum BB). Medicare reimburses it in the ASC setting when it is integral to a covered ASC surgical procedure.
Where is CPT 73580 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 73580?
CPT 73580 is most associated with Diagnostic Radiology.
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.