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JAK2, Exon 12 Mutation Analysis
Test CodeAlias/See Also
LAB14053
CPT Codes
<p>81279</p>
Preferred Specimen
Specimen Type: Whole Blood EDTA
Collection Container/Type
Preferred: Lavender top (EDTA)
Acceptable: Green top (Sodium heparin)
Specimen Volume: 5 mL
Collection Instructions:
- Invert several times to mix blood.
- Send whole blood specimen in original tube. Do not aliquot.
Additional Information: Do not reject specimens, send to laboratory for screening.
Specimen Type: Bone Marrow
Collection Container/Type
Preferred: EDTA (lavender top)
Acceptable: ACD (yellow top)
Specimen Volume: 3 mL
Collection Instructions:
- Invert several times to mix bone marrow.
- Send specimen in original tube.
Additional Information: Do not reject specimens, send to laboratory for screening.
Specimen Type: Extracted DNA from blood or bone marrow
Collection Container/Type: 1.5- to 2-mL tube with indication of volume and concentration of the DNA.
Specimen Volume: Entire specimen
Collection Instructions:
- Label specimen as extracted DNA.
Additional Information:
- Do not reject specimens, send to laboratory for screening.
- Cell Pellets: Send fixed samples within 7 days of fixation date in a plastic, leak-proof tube/container. Indicate type of fixative used along with patient name, specimen source, date collected, and date harvested/fixed. Cell pellets submitted in Carnoys or other alcohol-based fixatives are acceptable.
Minimum Volume
3 mL whole blood
1 mL bone marrow aspirate
Other Acceptable Specimens
Instructions
Cell Pellets: Send fixed samples within 7 days of fixation date in a plastic, leak-proof tube/container. Indicate type of fixative used along with patient name, specimen source, date collected, and date harvested/fixed. Cell pellets submitted in Carnoy's or other alcohol-based fixatives are acceptable.
Transport Temperature
Specimen Stability
Whole blood, bone marrow aspirate, fixed cell pellets
Room temperature: 7 days
Refrigerated: 7 days
Frozen: Unacceptable
Extracted DNA
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 1 year
Methodology
Polymerase Chain Reaction-based DNA Sequencing
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Report Available
5-7 days
Reference Range
Clinical Significance
Performing Laboratory
Quest Diagnostics Nichols Institute 14225 Newbrook Drive Chantilly, VA 20153
Last Updated: February 17, 2023