G9957Procedures and Professional Services (Temporary)

Documentation of medical reason for not receiving combination therapy

Short description: Doc med rsn no combo thrpy

Effective date
January 1, 2018
Termination date

Related codes (G-series)

Frequently asked questions

What is HCPCS code G9957?

G9957 is a HCPCS Level II code for Documentation of medical reason for not receiving combination therapy.

What category is HCPCS code G9957 in?

G9957 falls under the Procedures and Professional Services (Temporary) category of HCPCS Level II.

When did HCPCS code G9957 become effective?

G9957 has been effective since January 1, 2018, 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.