HCPCS Level II · Procedures and professional services (temporary)
G9659Patients greater than or equal to 86 years of age who underwent a screening colonoscopy and did not have a history of colorectal cancer or other valid medical reason for the colonoscopy, including: iron deficiency anemia, lower gastrointestinal bleeding, familial adenomatous polyposis, lynch syndrome (i.e., hereditary non-polyposis colorectal cancer), inflammatory bowel disease (i.e., crohn's disease or ulcerative colitis), abnormal finding of gastrointestinal tract, weight loss, or changes in bowel habits
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G9659
G9659 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing patients greater than or equal to 86 years of age who underwent a screening colonoscopy and did not have a history of colorectal cancer or other valid medical reason for the colonoscopy, including: iron deficiency anemia, lower gastrointestinal bleeding, familial adenomatous polyposis, lynch syndrome (i.e., hereditary non-polyposis colorectal cancer), inflammatory bowel disease (i.e., crohn's disease or ulcerative colitis), abnormal finding of gastrointestinal tract, weight loss, or changes in bowel habits.
It was added to HCPCS effective 01/01/2016, and its current record took effect 01/01/2025.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- >=86y scr colo nomed rsn
- Date added
- 01/01/2016
- Action effective
- 01/01/2025
- BETOS
- Z2
Related G96xx codes
- G9603Patient survey score improved from baseline following treatment
- G9605Patient survey score did not improve from baseline following treatment
- G9606Intraoperative cystoscopy performed to evaluate for lower tract injury
- G9607Documented medical reasons for not performing intraoperative cystoscopy (e.g., urethral pathology precluding cystoscopy, any patient who has a congenital or acquired absence of the urethra) or in the case of patient death
- G9608Intraoperative cystoscopy not performed to evaluate for lower tract injury
- G9609Documentation of an order for anti-platelet agents
- G9610Documentation of medical reason(s) in the patient's record for not ordering anti-platelet agents
- G9611Order for anti-platelet agents was not documented in the patient's record, reason not given
- G9621Patient identified as an unhealthy alcohol user when screened for unhealthy alcohol use using a systematic screening method and received brief counseling
- G9622Patient not identified as an unhealthy alcohol user when screened for unhealthy alcohol use using a systematic screening method
- G9624Patient not screened for unhealthy alcohol use using a systematic screening method or patient did not receive brief counseling if identified as an unhealthy alcohol user
- G9625Patient sustained bladder injury at the time of surgery or discovered subsequently up to 30 days post-surgery
Common questions about G9659
Is HCPCS G9659 still valid?
- Yes. G9659 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G9659?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.