Mismatch Repair Proficient

**Semantic type:** Laboratory or Test Result

**Definition:** A finding indicating that a sample has normal concentrations of unmutated mismatch repair proteins and is either microsatellite stable or has low microsatellite instability.

**Synonyms:** - MMR Proficient - MMRp - MSI-H/dMMR Negative - Mismatch Repair Deficiency Negative - Mismatch Repair Deficiency Negative - Mismatch Repair Proficiency - Mismatch Repair-Proficient - No dMMR or MSI-H - Non-MSI-H/dMMR