Alternative Name
MPN Profile
Methodology
Molecular
Test Description

This test is performed by sequencing the entire coding regions of the genes listed unless another method is noted. ABL1, ASXL1, BRAF, CALR, CEBPA, CSF3R, EZH2, FLT3, HRAS, IDH1, IDH2, JAK2 including V617F and Exons 12+14, KIT, KRAS, MPL, NF1, NPM1, NRAS, PPM1D, PDGFRA, PTEN, PTPN11, SETBP1, SF3B1, SRSF2, TET2, TP53 and U2AF1. CALR and FLT3 are performed by multiple methods. Individual genes from a validated list of myeloid genes can be added-on. Test orders include summary interpretation of all results together.

Clinical Significance

This profile detects mutations associated with the myeloproliferative neoplasms polycythemia vera (PV), essential thrombocythemia (ET), and primary myelofibrosis (PMF) that are informative to differentiate reactive conditions from MPN, classify disease, assess prognosis, and identify clinical trial opportunities for novel therapies.

Specimen Requirements
  • Bone marrow (Preferred): 2 mL in EDTA tube.
  • Peripheral blood: 5 mL in EDTA tube.
  • FFPE tissue: Paraffin block. 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 is the recommended fixative. Do not use zinc or mercury fixatives (B5). Highly acidic or prolonged decalcification processes will not yield sufficient nucleic acid to accurately perform molecular studies.
Storage and Transportation

Use cold pack for transport, making sure cold pack is not in direct contact with specimen. Ship same day as drawn whenever possible; specimens <72 hours old preferred.

CPT Code(s)*
81450x1
Turnaround Time

14 days

Level of Service
Global

*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.