M1377 — Recommended follow-up interval for repeat colonoscopy of 10 years documented in colonoscopy report and communicated with patient
M1377 is a HCPCS Level II code for recommended follow-up interval for repeat colonoscopy of 10 years documented in colonoscopy report and communicated with patient. It belongs to the Medical Services section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusM
Measurement code. Used for reporting purposes only; never paid.
Global period: XXX
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The CMS record for M1377
- Long descriptor
- Recommended follow-up interval for repeat colonoscopy of 10 years documented in colonoscopy report and communicated with patient
- Short descriptor
- Fu colscop 10 yr doc w/ disc
- Added
- January 1, 2025
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to M1377
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If M1377 is not quite right, the correct code is very often within a few positions of it.
- M1369Quality care in mental health and substance use disorders mips value pathway
- M1370Rehabilitative support for musculoskeletal care mips value pathway
- 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 during the performance period
- 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 during the performance period
- 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 during the performance period
- 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 adenoma and age is >= 66 years old, or life expectancy < 10 years, other medical reasons)
- M1379A 10 year follow-up interval for colonoscopy not recommended, reason not otherwise specified
- M1380Filled at least two prescriptions during the performance period for any combination of the qualifying oral antipsychotic medications listed under "denominator note" or the long-acting injectable antipsychotic medications listed under "denominator note"
- 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 procedure
- M1382Patient encounter during the performance period with place of service code 11
- M1383Acute pvd
- M1384Patients who died during the performance period
- M1385Documentation of patient reasons for patients who were not seen for the second pam survey (e.g., less than four months between baseline pam assessment and follow-up
Questions about M1377
What is HCPCS code M1377?
M1377 is a HCPCS Level II code for recommended follow-up interval for repeat colonoscopy of 10 years documented in colonoscopy report and communicated with patient. It sits in the Medical Services section.
Does Medicare cover M1377?
The CMS HCPCS file marks M1377 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is M1377 paid under the physician fee schedule?
M1377 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.