Test Code KITQ KIT p.Asp816Val Variant Analysis, Quantitative, Varies
Shipping Instructions
Whole blood or bone marrow specimens must arrive within 14 days of collection.
Necessary Information
Specimen type is required to perform testing.
Specimen Required
Submit only 1 of the following specimens:
Specimen Type: Whole blood
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Yellow top (ACD)
Specimen Volume: 3 mL
Collection Instructions:
1. Invert several times to mix.
2. Send specimen in original tube. Do not aliquot.
3. Label specimen as blood.
Specimen Stability Information: Ambient (preferred) 14 days/Refrigerate 14 days
Specimen Type: Bone marrow aspirate
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Yellow top (ACD)
Specimen Volume: 3 mL
Collection Instructions:
1. Invert several times to mix.
2. Send specimen in original tube. Do not aliquot.
3. Label specimen as bone marrow.
Specimen Stability Information: Ambient (preferred) 14 days/Refrigerate 14 days
Specimen Type: Extracted DNA
Container/Tube: 1.5- to 2-mL tube
Specimen Volume: Entire specimen
Collection Instructions:
1. Label specimen as extracted DNA
2. Provide indication of volume of DNA.
Specimen Stability Information: Frozen (preferred)/ Refrigerate/Ambient
Additional Information: We cannot guarantee that all extraction methods are compatible with this test. If testing fails, one repeat will be attempted, and if unsuccessful, the test will be reported as failed, and a charge will be applied.
Specimen Type: Paraffin-embedded bone marrow aspirate clot
Container/Tube: Paraffin block
Specimen Stability Information: Ambient
Specimen Type: Tissue (FFPE)
Container/Tube: Paraffin block
Collection Instructions: Submit a formalin-fixed, paraffin-embedded tissue block.
Specimen Stability Information: Ambient
Additional Information: Decalcified core biopsies are not accepted.
Genetics Test Information
This test uses droplet digital polymerase chain reaction to detect the KIT NM_000222.3:c.2447A>T(p.Asp816Val) variant.
Specimen Type
VariesSpecimen Minimum Volume
Blood, bone marrow: 1 mL; Extracted DNA: 50 mcL at 10 ng/mcL concentration; Paraffin block: 1 block
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Varies | Varies |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | OK |
Gross icterus | Reject |
Moderately to severely clotted Bone marrow core biopsies (decalcified embedded) Slides Paraffin shavings | Reject |
Reference Values
An interpretive report will be provided indicating the status as positive or negative for KIT p.Asp816Val (D816V).
KIT gene (NCBI accession NM_000222.3)
Day(s) Performed
Monday through Friday
Report Available
4 to 7 daysSpecimen Retention Time
Whole blood/Bone marrow: 2 weeks; Extracted DNA: 3 Months; Paraffin blocks: Unused portions of blocks will be returned 1 week after testing is completePerforming Laboratory

CPT Code Information
81273