G9110 — 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 t3-4 and/or n1-3, 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)

HCPCS/CPT