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MMR (correlates with MSI) pin


MMR (correlates with MSI)

Methodology: IHC

Clinical Significance:
Identifies: Panel of the mismatch repair (MMR) gene products. Loss of expression can help define 'MSI' type colonic and other carcinomas, i.e., tumors deficient in expression of one or more of the MMR gene products.

Organ: OB/GYN

Disease State:

CPT Code(s): 88342; 88341x3 (reference only; CPTs may vary)

Turnaround Time: Within 1-2 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR - • 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm