Coagulation Factor Assays
Test Information
Test Name
Coagulation Factor Assays
Synonyms
FII; FIX; FVII; FVIII; FIX; FX; FXI; FXII; FXIII; Chromogenic factor assays
Price
Price varies
Price Disclaimer
Many services are free for eligible patients. A minimum charge may apply. Prices listed are for unfunded, individual, requests. Please contact us for commercial testing.
Preferred Specimen
Citrate x 2
Testing Location
Referral
Collection Information
Preparation
- Clinical must direct tests to be performed.
- For all Factor Assays: Double spin citrates, separate & freeze within 8 hours of collection
- For all Chromogenic Factor Assays: Double spin citrate, separate & freeze within 4 hours of collection
- For all Inhibitor Screen: Double spin citrate, separate & freeze within 6 hours of collection
Processing Information
Registration Code
See notes, Processing Query
Notes
- Use "Processing Query" to HAematology to confirm test(s) required
- Test code FACA = All factors between I - XII excluding Xa
- Test code FII = Factor II (2)
- Test code FVII = Factor VII (7)
- Test code FACT = Factor VIII (8)
- Test code FACH = Factor VIII Inhibitor
- Test code F8CR = Factor VIII Chromogenic Assay
- Test code FACR = Factor IX (9)
- Test code F9CR = Factor IX Chromogenic Assay
- Test code F10 = Factor X (10)
- Test code A10 = Factor Xa/Anti Xa
- Test code F11 = Factor XI (11)
- Test code F12 = Factor XII (12)
- Test code XIII = Factor XIII (13)
2x Citrate tubes are sufficient to cover multiple factor assays.
Site Specific Notes
- Waikato
Ring & inform Waikato Hospital Haematology Department for any urgent factor assays
External Referral Information
Referral Location
Waikato Hospital Laboratory
Send Away Notes
Any urgent factor assays or inhibitor studies, e-mail coagulation@waikatodhb.health.nz with patient NHI and investigation being requested.