JAK2 (V617F) Mutation by ddPCR, Qualitative with Reflex to JAK2 Exon 12 Mutation Analysis by PCR

3003801
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Example Reports
Detected
Not Detected

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Additional Technical Information

Ordering Recommendation

Use when a diagnosis of polycythemia vera (PV) is suspected.

Mnemonic

PV RFX

Methodology

Droplet Digital PCR (ddPCR)/Polymerase Chain Reaction

Performed

Varies

Reported

3-12 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Whole blood or bone marrow: Lavender (EDTA).

Specimen Preparation

Whole Blood: Do not freeze. Transport 5 mL whole blood. (Min: 1 mL)
Bone Marrow: Do not freeze. Transport 3 mL bone marrow. (Min: 1 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Plasma, serum, FFPE tissue blocks/slides, or fresh or frozen tissue. Specimens collected in anticoagulants other than EDTA. Clotted or grossly hemolyzed specimens.

Remarks
Stability

Refrigerated: 4 days; Frozen: Unacceptable

Reference Interval

Interpretive Data

Refer to report.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

If JAK2 QUAL is reported as "Not Detected" then JAK2 Exon 12 Mutation Analysis will be added. Additional charges apply.

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
05/16/2022
X
02/23/2022
X
08/16/2021
X
N/A

CPT Codes

81270; if reflexed, add 81279

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Components

Component Test Code* Component Chart Name LOINC
3004047 JAK2 QUAL, Source 31208-2
3004048 JAK2 QUAL Mutation by PCR 43399-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • JAK2 Exon 12
  • Janus Kinase 2 Gene
  • Janus Kinase 2 Gene Sequencing
  • MPN JAK2 testing
JAK2 (V617F) Mutation by ddPCR, Qualitative with Reflex to JAK2 Exon 12 Mutation Analysis by PCR