HCPCS Level II › G codes › G9131

G9131

Oncology; disease status; invasive female breast cancer (does not include ductal carcinoma in situ); adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)

ValidHCPCS Level II code.

Valid for claims with a date of service in the current code year.

Valid FY2023 onwards.