M1377 HCPCS Level II code: Recommended follow-up interval for repeat colonoscopy of 10 years documented in colonoscopy report and communicated with patient

M1377 is the HCPCS code for “Recommended follow-up interval for repeat colonoscopy of 10 years documented in colonoscopy report and communicated with patient” in CMS’s October 2026 release, in effect from Oct 1, 2026.

Official description

M1377

Recommended follow-up interval for repeat colonoscopy of 10 years documented in colonoscopy report and communicated with patient

Short description: Fu colscop 10 yr doc w/ disc

HCPCS · United States

Medicare details

The indicators CMS publishes with M1377 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Medicare pricing
Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
Type of service
Medical care
BETOS category
Undefined codes
Added
Jan 1, 2025

Where M1377 sits

  1. 1M codesMedical services and quality measures
  2. 2Active code M1377Recommended follow-up interval for repeat colonoscopy of 10 years documented in colonoscopy report and communicated with patient

Source and release

Data release
HCPCS Level II · October 2026
Effective date
Oct 1, 2026
Publisher
CMS

This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does HCPCS code M1377 mean?

M1377 is the HCPCS code for “Recommended follow-up interval for repeat colonoscopy of 10 years documented in colonoscopy report and communicated with patient” in CMS’s HCPCS Level II October 2026 release.

Does Medicare cover M1377?

CMS lists M1377’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.

Which HCPCS Level II release does this page use?

It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

M1371Most recent glycemic status assessment (hba1c or gmi) level < 7.0%M1372Most recent glycemic status assessment (hba1c or gmi) level >= 7.0% and < 8.0%M1373Most recent glycemic status assessment (hba1c or gmi) level >= 8.0% and <= 9.0%M1374An additional encounter with an ra diagnosis during the performance period or prior performance period that is at least 90 days before or after an encounter with an ra diagnosis…M1375An additional encounter with an ra diagnosis during the performance period or prior performance period that is at least 90 days before or after an encounter with an ra diagnosis…M1376An additional encounter with an ra diagnosis during the performance period or prior performance period that is at least 90 days before or after an encounter with an ra diagnosis…M1378Documentation of medical reason(s) for not recommending a 10 year follow-up interval (e.g., inadequate prep, familial or personal history of colonic polyps, patient had no…M1379A 10 year follow-up interval for colonoscopy not recommended, reason not otherwise specifiedM1380Filled at least two prescriptions during the performance period for any combination of the qualifying oral antipsychotic medications listed under "denominator note" or the…M1381Patients with secondary stroke (e.g., a subsequent stroke that may occur with vasospasm in the setting of subarachnoid hemorrhage) within 5 days of the initial procedureM1382Patient encounter during the performance period with place of service code 11M1383Acute pvd