G9458 — Patient documented as tobacco user and received tobacco cessation intervention (must include at least one of the following: advice given to quit smoking or tobacco use, counseling on the benefits of quitting smoking or tobacco use, assistance with or referral to external smoking or tobacco cessation support programs, or current enrollment in smoking or tobacco use cessation program) if identified as a tobacco user
G9458 is a HCPCS Level II code for patient documented as tobacco user and received tobacco cessation intervention (must include at least one of the following: advice given to quit smoking or tobacco use, counseling on the benefits of quitting smoking or tobacco use, assistance with or referral to external smoking or tobacco cessation support programs, or current enrollment in smoking or tobacco use cessation program) if identified as a tobacco user. It belongs to the Procedures and Professional Services (Temporary) section. It was terminated on December 31, 2024 and is not valid on new claims.
This code has been terminated
CMS terminated G9458 on December 31, 2024. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
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.
The CMS record for G9458
- Long descriptor
- Patient documented as tobacco user and received tobacco cessation intervention (must include at least one of the following: advice given to quit smoking or tobacco use, counseling on the benefits of quitting smoking or tobacco use, assistance with or referral to external smoking or tobacco cessation support programs, or current enrollment in smoking or tobacco use cessation program) if identified as a tobacco user
- Short descriptor
- Tob user recd cess interv
- Added
- January 1, 2015
- Terminated
- December 31, 2024
- 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.
When CMS retired it.
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 G9458
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G9458 is not quite right, the correct code is very often within a few positions of it.
- G9450History of injection drug useterminated
- G9451Patient received one-time screening for hcv infectionterminated
- G9452Documentation of medical reason(s) for not receiving hcv antibody test due to limited life expectancy
- G9453Documentation of patient reason(s) for not receiving one-time screening for hcv infection (e.g., patient declined, other patient reasons)terminated
- G9454One-time screening for hcv infection not received within 12-month reporting period and no documentation of prior screening for hcv infection, reason not giventerminated
- G9455Patient underwent abdominal imaging with ultrasound, contrast enhanced ct or contrast mri for hcc
- G9456Documentation of medical or patient reason(s) for not ordering or performing screening for hcc. medical reason: comorbid medical conditions with expected survival < 5 years, hepatic decompensation and not a candidate for liver transplantation, or other medical reasons; patient reasons: patient declined or other patient reasons (e.g., cost of tests, time related to accessing testing equipment)
- G9457Patient did not undergo abdominal imaging and did not have a documented reason for not undergoing abdominal imaging in the submission period
- G9459Currently a tobacco non-userterminated
- G9460Tobacco assessment or tobacco cessation intervention not performed, reason not giventerminated
- G9463I intend to report the sinusitis measures groupterminated
- G9464All quality actions for the applicable measures in the sinusitis measures group have been performed for this patientterminated
- G9465I intend to report the acute otitis externa (aoe) measures groupterminated
- G9466All quality actions for the applicable measures in the aoe measures group have been performed for this patientterminated
- G9467Patient who have received or are receiving corticosteroids greater than or equal to 10 mg/day of prednisone equivalents for 60 or greater consecutive days or a single prescription equating to 600 mg prednisone or greater for all fills within the last twelve monthsterminated
- G9468Patient not receiving corticosteroids greater than or equal to 10 mg/day of prednisone equivalents for 60 or greater consecutive days or a single prescription equating to 600 mg prednisone or greater for all fills
Questions about G9458
What is HCPCS code G9458?
G9458 is a HCPCS Level II code for patient documented as tobacco user and received tobacco cessation intervention (must include at least one of the following: advice given to quit smoking or tobacco use, counseling on the benefits of quitting smoking or tobacco use, assistance with or referral to external smoking or tobacco cessation support programs, or current enrollment in smoking or tobacco use cessation program) if identified as a tobacco user. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G9458?
The CMS HCPCS file marks G9458 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.
Is G9458 still valid?
No. G9458 was terminated on December 31, 2024 and should not be used on new claims.