CPTCodeCalculator
PreventivePreventive2026 Compliant

CPT G0008

2026 Billing Guide

Flu Vac Admin

Reimbursement

$34.62

Threshold

N/A

2026 Status

Active

What is CPT Code G0008?

CPT G0008 is defined as: Administration of influenza virus vaccine. This HCPCS code is used specifically for Medicare beneficiaries to report the administration of the flu vaccine.

This code is primarily used for Preventive services. It falls under the category of Vaccine Administration and is valid for the 2026 calendar year according to the CMS Physician Fee Schedule.

2026 RVU Components

Relative Value Units (Non-Facility)

Standard Formula Applied

Work RVU

0

Physician Effort

PE (Non-Fac)

0

Practice Expense

Malpractice

0

Risk Factor

Total RVU

0

Note: Finalized CMS rate

2026 CMS Policy Intelligence

valuation stability

Rate maintained at $34.62 to ensure broad access during respiratory virus season.

home add on m0201

Medicare pays an additional ~$40.98 if administered in the patient's home, incentivizing mobile and homebound care.

ncci efficiency

Correction of the COVID/Flu co-administration edit reduces administrative friction for dual-vaccination encounters.

Administrative Framework

Place of Service

11 (Office)12 (Home)17 (Walk-in Retail Health Clinic)71 (Public Health Clinic)

NCCI Exclusions

Do not bill with:90480

Key Modifiers

90Reference (outside) laboratory (not typically used for G0008).
M0201Add-on for home administration (medical necessity required).

Required Primary Codes

Corresponding Influenza Vaccine Product Code

Must be billed alongside a primary service.

Operational Requirements

minimum time

Procedure-based

staff type

Clinical staff

frequency

Typically once per season, unless second dose is medically necessary (e.g., pediatric).

add on codes

M0201

roster billing

Eligible for roster billing, allowing mass immunizers to submit a single claim with a list of beneficiaries.

Compliance Checklist

Vaccine Information Statement (VIS) provided date.
Manufacturer, Lot #, and administration site.
Verification of Medicare Part B eligibility.

Audit Defense

No specific audit defense elements defined.

Common Clinical Scenarios

Senior citizen receiving high-dose influenza vaccine during autumn wellness visit.

CMS Eligibility: Prevention of seasonal influenza.. Annual requirement.

Target Specialties & Utilization

Genericmost frequently Primary Care and Pharmacy

Typical Clinical Indications (ICD-10)

Z23 (Encounter for immunization)

Billing Differentiation

VS 90471

G0008 is for Flu admin for Medicare; 90471 is for other vaccines or some private payers.

VS 90480

90480 is for COVID-19 vaccine administration.

Frequently Asked Questions

Maximize Revenue with AI Confidence

Stop leaving earned revenue on the table. CPT Copilot (Coming Soon) automatically handles the complexity of 2026 CMS policies, identifying every opportunity while ensuring 100% compliance.