Factor IX Assay
One stage factor assay for FIX
|Tube||05 (CP) - Citrate|
|Additional Information||Uses an APTT based clotting method to perform a one stage assay. Only treatment assays done in Blood Sciences|
|Send to||Specialist Coagulation
Chancellor / Lincoln Wing Link Corridor
St James University Hospital
|Collection Con||Correctly filled citrate tubes. 1 for single factor assay, 2 for multiple factor assays.
Samples must be processed within 6 hours of being taken.
|Ref. Range (Male)||55 - 150|
|Ref. Range (Female)||55 - 150|
|Ref. Range (Paed)||See Comment|
|Ref. Range Notes||"For paediatric reference ranges please refer to BJH Guideline 2002, 119, 295-309, The Investigation and Management of Neonatal Haemostasis and Thrombosis
Critical telephone values: Any abnormal factor assay with clinical details: bleeding. Factor assys less than 10% (unless on a patient known to have a factor deficiency)"
|IP Acute TAT||Contact laboratory|
|IP Routine TAT||5 days|
|GP Acute TAT||Contact laboratory|
|GP Routine TAT||5 days|