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Order Code: 1284

VWF Exon 28 Sequence Analysis (For Type 2M or 2B VWD)

Test Information Icon
Test Information
Sequence Analysis of VWF exon 28 detects germline variants associated with type 2B or type 2M von Willebrand disease (VWD). USA test status: This is a laboratory developed test (LDT). 
Also Known As Icon
Also Known As
  • Exon 28
  • Von Willebrand Factor
Test Type Icon
Test Type
Genetic Test
Sample Notes Icon
Sample Notes
EDTA Whole Blood, EDTA Bone Marrow, DNA, Buccal Swabs, Amniotic Fluid, Cultured Amniocytes, Direct or Cultured CVS, ACDA Whole Blood, ACDB Whole Blood, Na Heparin Whole Blood
Requested Volume Icon
Requested Volume
3-5 mL EDTA Whole Blood or Bone Marrow (lavender top), 3-4 Buccal Swabs, >=1 ug DNA at >=50 ng/uL, 7-15 mL Amniotic Fluid, 5-10 mg CVS, 2-T25 flasks cultured amniocytes or CVS (2x10^6 minimum)
Minimum / Pediatric Volume Icon
Minimum / Pediatric Volume
Fetal: Call Laboratory; Parental/Patient: 2 mL EDTA whole blood
Shipping Information Icon
Shipping Information
Room Temperature or Refrigerated
CPT Codes Icon
CPT Codes
  • 81403
Method Icon
Method
Capture Hybridization and Next Generation Sequencing with supplementary PCR and Sanger sequencing for quality and coverage.
Turnaround Time Icon
Turnaround Time
21 days
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New York State Approval
Yes
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DEX Z-Code™
Yes, visit app.dexzcodes.com