Acute Myeloid Leukemia Prognostic Panel (Normal Karyotype)
Test Code
CPT coding may differ dependent on payer rules which may impact prior authorization testing.
Please direct any questions regarding CPT coding to the payer being billed.
Clinical Significance
Acute Myeloid Leukemia Prognostic Panel (Normal Karyotype) - This testing, consisting of FLT3, NPM-1, and CEBPA, is recommended in the NCCN guidelines for determination of AML risk status in patients with cytogenetically normal AML. The presence of CEBPA gene mutations is associated with increased disease-free survival and overall survival. Mutations in NPM1 gene is a predictor of favorable prognosis and good response to induction chemotherapy. The presence of (FLT3) internal tandem duplication is associated with short disease-free survival.
Test Resources
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Test Details
NPM (Exon 12) Mutation Analysis, Cell-based
FLT3 Mutation Assay
Methodology
Reference Range(s)
Preferred Specimen(s)
5 mL whole blood collected in an EDTA (lavender-top) tube
Alternative Specimen(s)
3 mL bone marrow collected in an EDTA (lavender-top) tube • Cell pellet collected in a sterile transport tube • 5x5 mm tissue collected in a paraffin block
Minimum Volume
3 mL whole blood • 1 mL bone marrow • 2x3 mm tissue
Collection Instructions
Do not reject. Send to lab for evaluation.
Whole blood: Follow standard whole blood collection procedure. Collect 3-5 mL whole blood samples in an EDTA tube. Blood samples are shipped at room temperature or 4° C. Do not freeze whole blood. Record the draw time and date on the tube. Ship immediately to maintain sample stability.
Cell pellet: This assay is also designed for the remnant cell pellet from Cytogenetics. The cell pellet usually fixed should be transported refrigerated to the laboratory as soon as possible. Please provide a copy of the Cytogenetics report.
Transport Container
EDTA (lavender-top) tube
Transport Temperature
Room temperature
Specimen Stability
- Whole blood and bone marrow
- Room temperature: 7 days
- Refrigerated: 7 days
- Frozen: Unacceptable
- Cell pellet
- Room temperature: Unacceptable
- Refrigerated: 30 days
- Frozen: 30 days
- Tissue
- Room temperature: Preferred
- Refrigerated: Acceptable
- Frozen: Unacceptable
Setup Schedule
Whole blood: Follow standard whole blood collection procedure. Collect 3-5 mL whole blood samples in an EDTA tube. Blood samples are shipped at room temperature or 4° C. Do not freeze whole blood. Record the draw time and date on the tube. Ship immediately to maintain sample stability.
Cell pellet: This assay is also designed for the remnant cell pellet from Cytogenetics. The cell pellet usually fixed should be transported refrigerated to the laboratory as soon as possible. Please provide a copy of the Cytogenetics report.
Room temperature: 7 days
Refrigerated: 7 days
Frozen: Unacceptable
Cell pellet
Room temperature: Unacceptable
Refrigerated: 30 days
Frozen: 30 days
Tissue
Room temperature: Preferred
Refrigerated: Acceptable
Frozen: Unacceptable