Microsatellite Instability (MSI) by PCR
Synonyms |
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Cerner Name |
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Clinical Info |
MSI by PCR is useful to detect deficiencies in mismatch repair genes. Stage II colorectal cancer patients with Microsatellite unstable tumors typically do not respond favorably to chemotherapy. An alternative test is MSI by IHC. |
Specimen Sources |
Misc |
Specimen Types |
Tissue |
Specimen Volume |
10 Unstained 5-μm FFPE slide and 1 H&E slide |
Container |
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Collection Instructions |
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Transport Instructions |
Room Temperature |
Specimen Stability |
Room Temperature |
Methodology |
Multiplex polymerase chain reaction (PCR); capillary electrophoresis |
Days Performed |
Monday - Friday |
Performing Laboratories |
Northwell Health Labs |
CPT |
81301,88381 |
PDM |
258466 |
Results |
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Result Interpretation |
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Forms |
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Flow/Mol/Cytog - No Subgroup
LAB4216
