All ASC CPT codes
ASC Surgical · CPT/HCPCS

CPT 0446T

Insj impltbl glucose sensor

CPT 0446T at a glance

Code
0446T
Code type
CPT/HCPCS
Short descriptor
Insj impltbl glucose sensor
Category
ASC Surgical
ASC payment status
Payable in an ASC (surgical)
CMS addendum
AA (Surgical)
Typical setting
Ambulatory surgery center (POS 24); also commonly performed in an office or clinic (POS 11).

What is CPT code 0446T?

CPT 0446T is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Insj impltbl glucose sensor". In the ASC context it is grouped under ASC Surgical.

Is CPT 0446T payable in an ambulatory surgery center (ASC)?

CPT 0446T appears on Medicare's ASC Covered Procedures List (CMS Addendum AA), so Medicare reimburses it when the surgery is performed in a certified ambulatory surgery center.

Where is CPT 0446T typically performed?

Ambulatory surgery center (POS 24); also commonly performed in an office or clinic (POS 11).

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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