G9091Oncology; disease status; rectal cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t3, 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)

G9091 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing oncology; disease status; rectal cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t3, 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).

It was added to HCPCS effective 01/01/2006, and its current record took effect 01/01/2007.

Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.