G9644 HCPCS Level II code: Patients who abstained from smoking prior to anesthesia on the day of surgery or procedure
G9644 is the HCPCS code for “Patients who abstained from smoking prior to anesthesia on the day of surgery or procedure” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G9644Patients who abstained from smoking prior to anesthesia on the day of surgery or procedure
Short description: No smok b/4 anes day of surg
HCPCS · United States
Medicare details
The indicators CMS publishes with G9644 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2016
Where G9644 sits
- 1G codesProcedures and professional services
- 2Active code G9644Patients who abstained from smoking prior to anesthesia on the day of surgery or procedure
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code G9644 mean?
G9644 is the HCPCS code for “Patients who abstained from smoking prior to anesthesia on the day of surgery or procedure” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G9644?
CMS lists G9644’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G9644
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