G9837Procedures and Professional Services (Temporary)

Trastuzumab not administered within 12 months of diagnosis

Short description: Trastuz not in 12 mos dx

Effective date
January 1, 2021
Termination date

Related codes (G-series)

Frequently asked questions

What is HCPCS code G9837?

G9837 is a HCPCS Level II code for Trastuzumab not administered within 12 months of diagnosis.

What category is HCPCS code G9837 in?

G9837 falls under the Procedures and Professional Services (Temporary) category of HCPCS Level II.

When did HCPCS code G9837 become effective?

G9837 has been effective since January 1, 2021, 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.