G8483 – 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)
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG8483
- Long description
- 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)
- Short description
- Flu imm no admin doc rea
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
M5DSpecialist - other- Added
- January 1, 2008
- Last change
- January 1, 2025 – No change
- Termination date
- December 31, 2024
Frequently asked questions
What is HCPCS code G8483?
G8483 is a HCPCS Level II code for 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 discontinued on December 31, 2024.
Does Medicare cover G8483?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby G codes
- G8465 – High or very high risk of recurrence of prostate cancer
- G8473 – Angiotensin converting enzyme (ace) inhibitor or angiotensin receptor blocker (arb) therapy prescribed
- G8474 – Angiotensin converting enzyme (ace) inhibitor or angiotensin receptor blocker (arb) therapy not prescribed for reasons documented by the clinician (e.g., allergy, intolerance, pregnancy, renal failure due to ace inhibitor, diseases of the aortic or mitral valve, other medical reasons) or (e.g., patient declined, other patient reasons)
- G8475 – Angiotensin converting enzyme (ace) inhibitor or angiotensin receptor blocker (arb) therapy not prescribed, reason not given
- G8476 – Most recent blood pressure has a systolic measurement of < 140 mmhg and a diastolic measurement of < 90 mmhg
- G8477 – Most recent blood pressure has a systolic measurement of >= 140 mmhg and/or a diastolic measurement of >= 90 mmhg
- G8478 – Blood pressure measurement not performed or documented, reason not given
- G8482 – Influenza immunization administered or previously received
- G8484 – Influenza immunization was not administered, reason not given
- G8485 – I intend to report the diabetes mellitus (dm) measures group
- G8486 – I intend to report the preventive care measures group
- G8487 – I intend to report the chronic kidney disease (ckd) measures group
- G8489 – I intend to report the coronary artery disease (cad) measures group
- G8490 – I intend to report the rheumatoid arthritis (ra) measures group
- G8491 – I intend to report the hiv/aids measures group
- G8492 – I intend to report the perioperative care measures group
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.