G8483Procedures and Professional Services (Temporary)

Influenza immunization was not administered for reasons documented by clinician

Short description: Flu imm no admin doc rea

Effective date
January 1, 2025
Termination date

Related codes (G-series)

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.

What category is HCPCS code G8483 in?

G8483 falls under the Procedures and Professional Services (Temporary) category of HCPCS Level II.

When did HCPCS code G8483 become effective?

G8483 has been effective since January 1, 2025, per CMS's quarterly HCPCS update.

HCPCS Level II data from CMS (public domain). HCPCS Level I (CPT) codes are not included — CPT is copyrighted by the American Medical Association. Always verify codes with authoritative sources before making coding or billing decisions.