HCPCS Level II · Section G
G9840 Gene testing performed
Full Description
Ras (kras and nras) gene mutation testing performed before initiation of
- Code
G9840- Short Description
- Gene testing performed
- Section
- G — Professional/Physician Procedures and Services
- Pricing Indicator
00
Source: CMS HCPCS October 2026 quarterly release.
Last reviewed: September 2026