G9791 — Most recent tobacco status is tobacco free
G9791 is a HCPCS Level II code for most recent tobacco status is tobacco free. It belongs to the Procedures and Professional Services (Temporary) section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusM
Measurement code. Used for reporting purposes only; never paid.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for G9791
- Long descriptor
- Most recent tobacco status is tobacco free
- Short descriptor
- Most rct tob stat free
- Added
- January 1, 2017
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to G9791
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G9791 is not quite right, the correct code is very often within a few positions of it.
- G9783Documentation of patients with diabetes who have a most recent fasting or direct ldl- c laboratory test result < 70 mg/dl and are not taking statin therapyterminated
- G9784Pathologists/dermatopathologists providing a second opinion on a biopsy
- G9785Pathology report diagnosing cutaneous basal cell carcinoma, squamous cell carcinoma, or melanoma (to include in situ disease) sent from the pathologist/ dermatopathologist to the biopsying clinician for review within 7 days from the time when the tissue specimen was received by the pathologist
- G9786Pathology report diagnosing cutaneous basal cell carcinoma, squamous cell carcinoma, or melanoma (to include in situ disease) was not sent from the pathologist/ dermatopathologist to the biopsying clinician for review within 7 days from the time when the tissue specimen was received by the pathologist
- G9787Patient alive as of the last day of the measurement year
- G9788Most recent bp is less than or equal to 130/80 mm hg
- G9789Blood pressure recorded during inpatient stays, emergency room visits, or urgent care visits
- G9790Most recent bp is greater than 130/80 mm hg, or blood pressure not documented
- G9792Most recent tobacco status is not tobacco free
- G9793Patient is currently on a daily aspirin or other antiplatelet
- G9794Documentation of medical reason(s) for not on a daily aspirin or other antiplatelet (e.g., history of gastrointestinal bleed, intra-cranial bleed, idiopathic thrombocytopenic purpura (itp), gastric bypass or documentation of active anticoagulant use during the measurement period)
- G9795Patient is not currently on a daily aspirin or other antiplatelet
- G9796Patient is currently on a high intensity statin therapy
- G9797Patient is not on a high intensity statin therapy
- G9798Discharge(s) for ami between july 1 of the year prior measurement period to june 30 of the measurement periodterminated
- G9799Patients with a medication dispensing event indicator of a history of asthma any time during the patient's history through the end of the measure periodterminated
Questions about G9791
What is HCPCS code G9791?
G9791 is a HCPCS Level II code for most recent tobacco status is tobacco free. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G9791?
The CMS HCPCS file marks G9791 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is G9791 paid under the physician fee schedule?
G9791 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.