M1404 HCPCS Level II code: Patients on a therapeutic clinical trial
M1404 is the HCPCS code for “Patients on a therapeutic clinical trial” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
M1404Patients on a therapeutic clinical trial
Short description: Pt ther clin trial
HCPCS · United States
Medicare details
The indicators CMS publishes with M1404 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 M1404 sits
- 1M codesMedical services and quality measures
- 2Active code M1404Patients on a therapeutic clinical trial
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 M1404 mean?
M1404 is the HCPCS code for “Patients on a therapeutic clinical trial” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover M1404?
CMS lists M1404’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.
Codes beside M1404
All M codesM1398Patients with baseline and follow-up promis surveys documented in the medical recordM1399Patients who leave the practice during the follow-up periodM1400Patients who died during the follow-up periodM1401Stages i-iii breast cancerM1402Patients receiving an initial chemotherapy regimen with a defined duration with the eligible clinician or groupM1403Patients with baseline and follow-up promis surveys documented in the medical recordM1405Patients with recurrence/disease progressionM1406Patients who leave the practice during the follow-up periodM1407Patients who died during the follow-up periodM1408Patients who have germline brca testing completed before diagnosis of epithelial ovarian, fallopian tube, or primary peritoneal cancerM1409Patients who received germline testing for brca1 and brca2 or genetic counseling completed within 6 months of diagnosisM1410Patients who did not have germline testing for brca1 and brca2 or genetic counseling completed within 6 months of diagnosis