G9109 Oncology; disease status; head and neck cancer, limited to cancers of oral cavity, pharynx and larynx with squamous cell as predominant cell type; extent of disease initially established as t1-t2 and n0, m0 (prior to neo-adjuvant therapy, if any) with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
Oncology; disease status; head and neck cancer, limited to cancers of oral cavity, pharynx and larynx with squamous cell as predominant cell type; extent of disease initially established as t1-t2 and n0, m0 (prior to neo-adjuvant therapy, if any) with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
Part
HCPCS Level II
G
Procedures and Professional Services (Temporary)
G9
G9001–G9999
Source
CMS — ICD-10-PCS FY2026, HCPCS Level II october 2026, Procedure Codes 2026.