MLH1 PROMOTER METHYLATION, PARAFFIN

Specimen Required
Send formalin fixed paraffin embedded tissue block or 5 unstained 5 micron slides. Include surgical pathology report.

Alternate Specimen
DNA extracted by CLIA certified lab with corresponding client-circled H&E slide. Call Client Services for specimen requirements.

Rejection Criteria
Specimens fixed in alcohol or heavy metal fixative, decalcified specimens, less than 25% tumor, DNA extracted by a non-CLIA lab, DNA extracted without a corresponding-circled H & E slide.

Methodology
Real-Time Polymerase Chain Reaction/Fluorescence Resonance Energy Transfer

Stability
Room temperature: Indefinite; Refrigerated: Indefinite; Frozen: Unacceptable

Reference Range
By report

Performed
DNA isolation: Sunday-Saturday
Assay: Sunday, Tuesday, Thursday

Turnaround Time12-14 days
Test CodeMLH1
CPT-4 Code (s)
81288, 88381
ZB229
LOINC Codes
MLH1 Promoter Methylation: Not available
Block ID: 57723-9

Warde
Medical
Laboratory