Test Method

Molecular

CPT Codes

81170

Test Description

Testing by RT-PCR and sequencing of the BCR-ABL1 fusion transcript for qualitative detection of mutations associated with resistance to tyrosine kinase inhibitors. Analysis includes detection of the common T315I mutation. Recommended for CML.

Specimen Requirements

  • Bone marrow aspirate: 1-2 mL in EDTA tube (purple top) preferred; ACD (yellow top) acceptable
  • Peripheral blood: 5-10 mL in EDTA tube (purple top) preferred; ACD (yellow top) acceptable

Storage & Transport

Ship specimen the same day whenever possible, with refrigerated (not frozen) cold pack.

Label all tubes with at least two unique patient identifiers. Slides require one patient identifier. Identifiers include name, DOB, specimen ID# or medical record#.

Turnaround time

5 - 7 days

Level of Service

Global