JAK2 Exon 12 Mutation Qual.
The JAK2V617F (exon 14) mutation analysis can be used in conjunction with bone marrow histology and cytogenetic analysis to assist in the diagnosis of myeloproliferative neoplasma (MPN). The JAK2V617F mutation is found in almost all patients with polycythemia vera (PV) and in nearly one-half of those with idiopathic myelofibrosis (IMF) and with essential thrombocythemia (ET). A small percentage (~3.3%) of JAK2 mutation positive patient contain other non-V617F mutations within exons 12 to 15.
Indicate the specific gene and mutation to be analyzed on the test request form. Failure to indicate the gene and mutation will result in testing delays.
Whole blood or bone marrow
3 to 5 mL whole blood or 1 to 2 mL bone marrow
3 mL whole blood or 1 mL bone marrow
Lavender-top (EDTA) tube, green-top (sodium heparin) tube or yellow-top (ACD) tube
At room temperature (18-26°C)
Specimen does not meet all of the criteria for sample type, container, minimum volume, collection and storage; frozen whole blood or marrow; leaking tube; clotted blood or marrow; grossly hemolyzed or otherwise visibly degraded; contamination by another specimen; specimen containing foreign material
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