All ASC CPT codes
ASC Ancillary · CPT/HCPCS

HCPCS Q9956

Inj octafluoropropane mic,ml

HCPCS Q9956 at a glance

Code
Q9956
Code type
CPT/HCPCS
Short descriptor
Inj octafluoropropane mic,ml
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 HCPCS code Q9956?

HCPCS Q9956 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Inj octafluoropropane mic,ml". In the ASC context it is grouped under ASC Ancillary.

Is HCPCS Q9956 payable in an ambulatory surgery center (ASC)?

HCPCS Q9956 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 HCPCS Q9956 typically performed?

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

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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