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Test Code Billings Clinic: 9492 JAK2 Exon 12/13

Performing Laboratory

Genoptix Laboratory

Useful For

Detection of JAK2 that encodes for a protein tyrosine kinase involved in activated signaling.  Genomic DNA is isolated from bone marrow aspirates or peripheral blood and the DNA sequences of JAK2 exons 12-13 are determined using next generation sequencing technology.


Amplicon-based, next generation sequencing (NGS)

Specimen Requirements

  • Do not centrifuge
  • Send sample refrigerated. Use a refrigerated cold pack for transport.
  • Make sure cold pack is not in direct contact with the specimen.

Submit 1 or both of the following specimens:


Bone Marrow

Send 2 - 3 mL of bone marrow aspirate in an EDTA tube (purple top).


Whole Blood

Send 2 - 3 mL of peripheral blood in an EDTA tube (purple top).

Reference Values

An interpretive report will be provided.

Day(s) Test Set Up

Monday - Friday, by 3 pm

Test Classification and CPT Coding



LOINC Code Information

Reporting Name LOINC Code
JAK2 Exon 12/13 In process