Synonyms |
|
|
Clinical Indications |
|
Bruising, recurrent severe
nose bleeds, menorrhagia, postoperative bleeding, relevant
family history.
|
Test
Includes |
|
FVIII RAG, Collagen binding
co factor, FVIII, VW Ratio
|
Request
Form |
|
Combined
Pathology Blood form (Yellow/Black or Blue for GP's)
|
Availability |
|
Analysed by referral
laboratory if specific criteria met.
|
Specific Criteria |
|
Request must be agreed by
consultant haematologist.
|
Patient
Preparation |
|
Patient should be bled with
minimum stasis and should not be on anticoagulant therapy.
|
Turnaround Time |
|
2 months
|
Specimen |
|
Citrated
blood
|
Volume |
|
9 mL.
|
Container |
|
3 Blue
top (Citrate) tubes.
|
Collection |
|
Samples must be transported
to laboratory immediately.
|
Lab. Handling |
|
Samples double spun and
frozen. Send to Southend via courier (liaise with courier and
Southend lab to ensure samples arrive frozen)
|
Causes for
Rejection |
|
Unlabelled sample.
Underfilled, clotted or haemolysed samples. Patient on
anticoagulant therapy.
|
Reference Range |
|
Antigen 50-200, Collagen
50-150
|