All ASC CPT codes
ASC Ancillary · CPT/HCPCS

CPT 70473

Ct cere prfu aly c+wo ct/cta

CPT 70473 at a glance

Code
70473
Code type
CPT/HCPCS
Short descriptor
Ct cere prfu aly c+wo ct/cta
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 70473?

CPT 70473 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Ct cere prfu aly c+wo ct/cta". In the ASC context it is grouped under ASC Ancillary.

Is CPT 70473 payable in an ambulatory surgery center (ASC)?

CPT 70473 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 70473 typically performed?

Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).

Which specialties use CPT 70473?

CPT 70473 is most associated with Diagnostic Radiology.

Specialties that use this code

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.

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