Ordering Recommendation
Use to identify causal F8 variant in individuals with mild to moderate hemophilia A or to determine carrier status for those with a family history of mild to moderate hemophilia A. For severe hemophilia A, Hemophilia A (F8) 2 Inversions with Reflex to Sequencing and Reflex to Deletion/Duplication (3004232) is recommended.
Mnemonic
F8 NGS
Methodology
Massively Parallel Sequencing
Performed
Varies
Reported
14-21 days
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Specimen Required
Patient Preparation
Collect
Lavender or Pink (EDTA) or Yellow (ACD Solution A or B).
Specimen Preparation
Transport 3 mL whole blood. (Min: 3 mL)
Storage/Transport Temperature
Refrigerated
Unacceptable Conditions
Serum or plasma; grossly hemolyzed or frozen specimens; saliva; buccal brush or swab; FFPE tissue
Remarks
Stability
Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable
Reference Interval
By report
Interpretive Data
Refer to report
Compliance Category
Laboratory Developed Test (LDT)
Note
Gene tested: F8
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
N/A
CPT Codes
81407
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
3004242 | Hemophilia A (F8) Specimen | 66746-9 |
3004243 | Hemophilia A (F8) Interp | 94234-2 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- F8 deficiency sequencing
Hemophilia A (F8) Sequencing