HCPCS Code M1194
Documentation of medical reason(s) surgical pathology reports did not contain impression or conclusion of or recommendation for testing of mmr by immunohistochemistry, msi by dna-based testing status, or both tests were not included (e.g., patient will not be treated with checkpoint inhibitor therapy, no residual carcinoma is present in the sample [tissue exhausted or status post neoadjuvant treatment], insufficient tumor for testing)
| Short Description | Med rsn no imp/con mmr/msi |
|---|---|
| Year | 2026 |
| Coverage Code | C = Carrier judgment |
| Action Code | N = No maintenance for this code |
| Action Effective Date | January 01, 2023 |
| Code Added Date | January 01, 2023 |
| Pricing Indicator | 00 = Service not separately priced by Part B (e.g., services not covered, bundled, used by part a only, etc.) |
| Type of Service | 1 = Medical care |