Procedure codeCODABLE
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)
- Part
- HCPCS Level II
- M
- Medical Services
- M1
- M1003–M1503
Source
CMS — ICD-10-PCS FY2026, HCPCS Level II october 2026, Procedure Codes 2026.