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FLT3 Mutation Analysis
- Molecular
Detection of internal tandem duplication and exon 20 tyrosine kinase domain (TKD) mutations using fragment-length analysis and PCR. Positive results identify presence of TKD mutations or report ITD results quantitatively as allelic ratio.
Turnaround time
5 Days
Level of Service
- Global
New York Approved: Yes
Specimen Requirements
Peripheral blood: 5 mL in EDTA tube. Bone marrow: 2 mL in EDTA tube. FFPE tissue: Paraffin block is preferred. Alternatively, send 1 H&E slide plus 5-10 unstained slides cut at 5 or more microns. Please use positively-charged slides and 10% NBF fixative. Do not use zinc fixatives. Note: Test is DNA-based. Please select Extract & Hold - DNA if specimen hold service is desired.
Storage and Transportation
Please select extract & hold - DNA if specimen hold service is desired. Use cold pack for transport, making sure cold pack is not in direct contact with specimen. NYS clients please provide date and time of Collection.
CPT Code(s)*
81245, 81246
*The CPT codes provided with our test descriptions are based on AMA guidelines and are for informational purposes only. Correct CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed.
Last Updated: January 22, 2025