What is HCPCS code G8484?

G8484 is the HCPCS Level II code for Influenza immunization was not administered, reason not given. It falls in Section G (Procedures / Professional Services (Temporary)) of the 2026 HCPCS Level II code set maintained by CMS.

Is G8484 covered by Medicare?

Medicare coverage status for G8484 is: Carrier judgment. Always confirm current coverage with the payer.

Under Medicare Part B, G8484 is priced as: Not separately priced by Part B.

G8484 Influenza immunization was not administered, reason not given

Short descriptor: Flu immunize no admin

⚠ Terminated HCPCS Level II 2026

Terminated Code

G8484 was terminated as of 2024-12-31 and should not be reported for dates of service after that date. This page is retained for historical reference.

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G8484 is the HCPCS Level II code for Influenza immunization was not administered, reason not given (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Not separately priced by Part B.

Classification & CMS Attributes

Section: G: Procedures / Professional Services (Temporary)
Medicare Coverage: Carrier judgment (code C)
Part B Pricing: Not separately priced by Part B (indicator 00)
Type of Service: Medical care
Effective Date: 2025-01-01
Termination Date: 2024-12-31
2026 Maintenance: No change this year

References

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Reference G8484 with the canonical source and edition:

G8484 — Influenza immunization was not administered, reason not given. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G8484

Canonical URL: https://icd10codingpro.com/hcpcs-codes/G8484

G8484 Influenza immunization was not administered, reason not given

Classification & CMS Attributes

References

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