HCPCS Level II · Procedures and professional services (temporary)
G8483Influenza immunization was not administered for reasons documented by clinician (e.g., patient allergy or other medical reasons, patient declined or other patient reasons, vaccine not available or other system reasons)
Terminated 12/31/2024
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G8483
G8483 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing influenza immunization was not administered for reasons documented by clinician (e.g., patient allergy or other medical reasons, patient declined or other patient reasons, vaccine not available or other system reasons).
It was added to HCPCS effective 01/01/2008, and its current record took effect 01/01/2025.
It was terminated on 12/31/2024 and can't be billed for later dates of service.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Flu imm no admin doc rea
- Date added
- 01/01/2008
- Action effective
- 01/01/2025
- Termination date
- 12/31/2024
- BETOS
- M5D
Related G84xx codes
- G8400Patient with central dual-energy x-ray absorptiometry (dxa) results not documented, reason not given
- G8404Lower extremity neurological exam performed and documented
- G8405Lower extremity neurological exam not performed
- G8410Footwear evaluation performed and documented
- G8415Footwear evaluation was not performed
- G8416Clinician documented that patient was not an eligible candidate for footwear evaluation measure
- G8417Bmi is documented above normal parameters and a follow-up plan is documented
- G8418Bmi is documented below normal parameters and a follow-up plan is documented
- G8419Bmi documented outside normal parameters, no follow-up plan documented, no reason given
- G8420Bmi is documented within normal parameters and no follow-up plan is required
- G8421Bmi not documented and no reason is given
- G8427Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medications
Common questions about G8483
Is HCPCS G8483 still valid?
- No. G8483 was terminated on 12/31/2024.
Does Medicare cover G8483?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.