G9450Procedures and Professional Services (Temporary)

History of injection drug use

Short description: Hx injec drug use

Effective date
January 1, 2022
Termination date

Related codes (G-series)

Frequently asked questions

What is HCPCS code G9450?

G9450 is a HCPCS Level II code for History of injection drug use.

What category is HCPCS code G9450 in?

G9450 falls under the Procedures and Professional Services (Temporary) category of HCPCS Level II.

When did HCPCS code G9450 become effective?

G9450 has been effective since January 1, 2022, 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.