Skip to content
ProvidersDesk
M1194

Med rsn no imp/con mmr/msi

✓ CURRENT — JULY 2026
Source: CMS
Imported: Aug 10 2026

Full 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)

Details

Code
M1194
Short descriptor
Med rsn no imp/con mmr/msi
Code set
HCPCS Level II
Release
July 2026
Status
Active
Added
Jan 1 2023

Nearby codes

Code sets are published in blocks, so neighbours are usually related.

M1195

Rpt wo imp/con mmr/msi

M1193

Rpts w/ imp/con mmr/msi

M1196

Ixv nrs vrs iqa >=4

M1192

Pt w/ dx sq cell ca of esoph

M1197

Isa reduced >=3 fr ixv

M1191

Hspc svc any time in meas pd

M1198

Isa not red 3pts /no assess

M1190

Doc khe not pef w/efgr/uacr

Sources

Reference information only. Not billing advice. Verify against the payer before you file.