JAK2 Exon 12 & 13 Mutation Analysis

Alias/Synonym: Exons 12 & 13

CPT Code: 81279

Specimen Type, Preferred:
Bone marrow aspirate
Specimen Type, Alternate:
Peripheral blood
Sample Quantity, Preferred:
Sample Quantity, Minimum:
Transport Container:
Lavender top (EDTA) tube
Green top (Sodium Heparin) tube
Transport Temperature:
Collection Instructions:
If bone marrow is dry tap, submit 5-10mL peripheral blood.
Specimen Stability:
Room temperature: 2 day(s)
Refrigerated: 3 day(s)
Rejection Criteria:
Room temperature Frozen
Clinical Significance:
Detects mutations in exons 12 and 13 of the JAK2 gene in myeloproliferative neoplasms (MPNs).
This test is designed to detect gene mutations only. It is not intended to detect copy number changes or gene rearrangements.
Turnaround Time:
7 - 10 day(s)
Reference Ranges:
Cutoff value % based on assay sensitivity