M1194
HCPCSMed rsn no imp/con mmr/msi
Official HCPCS Level II long descriptor
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)
HCPCS Level II code M1194 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Med rsn no imp/con mmr/msi
Added to HCPCS: 2023-01-01
Nearby codes in M1
- M1186Pt w/ rx for hspc/plltv care
- M1187Pt w/ esrd
- M1188Pt w/ ckd stg 5
- M1189Doc khe pef w/efgr/uacr
- M1190Doc khe not pef w/efgr/uacr
- M1191Hspc svc any time in meas pd
- M1192Pt w/ dx sq cell ca of esoph
- M1193Rpts w/ imp/con mmr/msi
- M1195Rpt wo imp/con mmr/msi
- M1196Ixv nrs vrs iqa >=4
- M1197Isa reduced >=3 fr ixv
- M1198Isa not red 3pts /no assess
- M1199Pt rec'g rrt
- M1200Ace-i/arb rx
- M1201Med rsn no ace-i/arb rx
- M1202Pt rsn no ace-i/arb rx
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.