Methodology
ddPCR
Specimen Type
Whole Blood
Performing Lab
Seattle Children's Molecular Genetics Laboratory
Epic ID
Other Genetic Test
Lab Test Days
Monday-Friday
Standard TAT
21 days
Collection Information
Specimen Required
20 mL whole blood
Container Type
Streck Cell-Free DNA BCT®
Collection Instructions
For patients who have had a whole blood transfusion, wait 10 days post transfusion to draw blood
Processing Information - Lab Use Only
Transport Temperature
Ambient-Only
Specimen Stability
Room Temp: 5 days; Refrigerated: Unacceptable; Frozen: Unacceptable
Rejection Criteria
Frozen
Test Volume Required
20ml Whole Blood
Minimum Test Volume
16 ml Whole Blood
Processing Instructions
Complete Seattle Children's Molecular Genetics Laboratory VANSeq and SpotSeq Requisition. Send out Monday-Thursday only. NO weekends or Holidays.
Comments
We do NOT accept: pleural fluid, chylous fluid, pericardial fluid, peritoneal fluid or FFPE. Refer to Seattle Children's lab test catalog for additional sources.
CPT Codes
(PIK3CA=81309), (TEK=81479), (GNAQ=81403), or (BRAF=81210)
Revised
8/20/26
Initials
IM