1402

Factor VIII (F8) Inversion Analysis

Order Code: 1402 Get Requisition Form
Test Information Icon
Test Information
Factor 8 (F8) inversion analysis evaluates both the intron 1 and intron 22 inversions, and is recommended only for males with severe hemophilia A, or females who have a family history of severe unknown type of hemophilia A, or females with low factor VIII levels who have no known family history of hemophilia. This assay is included in the Factor VIII (F8) severe HA Analysis-Reflex test. F8 variants other than inversions are not detected by this assay.
Also Known As Icon
Also Known As
  • F8
  • Factor 8
  • FVIII
Disease State Icon
Disease State
Hemophilia
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
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
Long-range PCR and gel electrophoresis
Turnaround Time Icon
Turnaround Time
5-7 days
New York State Approval Icon
New York State Approval
Pending/Submitted
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DEX Z-Code™
Yes, visit app.dexzcodes.com
 
Our Experts
Research investigators, postdoctoral fellows and laboratory staff at Versiti Blood Research Institute and Diagnostic Laboratories.
 
Hematology Testing
Versiti provides von Willebrand factor tests, aHUS diagnosis, hemophilia lab tests and other laboratory diagnosis of bleeding and clotting disorders.
 
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