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Order Code: 1402
Factor VIII (F8) Inversion Analysis
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. USA test status: This is a laboratory developed test (LDT).
Also Known As
- F8
- Factor 8
- FVIII
Test Type
Genetic Test
Sample Notes
EDTA Whole Blood, EDTA Bone Marrow, DNA, Buccal Swabs, Amniotic Fluid, Cultured Amniocytes, Direct or Cultured CVS
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
Fetal: Call Laboratory; Parental/Patient: 2 mL EDTA whole blood
Shipping Information
Room Temperature or Refrigerated
CPT Codes
- 81403
Method
Long-range PCR and gel electrophoresis
Turnaround Time
5-7 days
New York State Approval
No
DEX Z-Code™
Yes, visit app.dexzcodes.com