G9644Procedures and Professional Services (Temporary)
Patients who abstained from smoking prior to anesthesia on the day of surgery
Short description: No smok b/4 anes day of surg
- Effective date
- January 1, 2016
- Termination date
- —
Related codes (G-series)
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Frequently asked questions
What is HCPCS code G9644?
G9644 is a HCPCS Level II code for Patients who abstained from smoking prior to anesthesia on the day of surgery.
What category is HCPCS code G9644 in?
G9644 falls under the Procedures and Professional Services (Temporary) category of HCPCS Level II.
When did HCPCS code G9644 become effective?
G9644 has been effective since January 1, 2016, per CMS's quarterly HCPCS update.
HCPCS Level II data from CMS (public domain). HCPCS Level I (CPT) codes are not included — CPT is copyrighted by the American Medical Association. Always verify codes with authoritative sources before making coding or billing decisions.