Test Directory

Factor VIII:C

Containers - Adult

S-Monovette Citrate 9NC, 2.9 ml, cap green, diameter 13 mm
S-Monovette Citrate 9NC, 2.9 ml, cap green, diameter 13 mm
Additive per Container

Sodium Citrate

Containers - Child

S-Monovette Citrate 9NC, 1.4 ml, cap green, diameter 8 mm
S-Monovette Citrate 9NC, 1.4 ml, cap green, diameter 8 mm
Additive per Container

Sodium Citrate

Reference ranges

Factor VIII Assays (Units: IU/mL)
 
FVIII (eight)
*Neonates Day1
0.5 – 1.78
*Neonates Day5
0.54 – 1.54
*Infants Day30
0.50 – 1.57
*Infants Day90
0.50 – 1.25
*Infants Day180
0.50 – 1.09
Adult
0.50 – 1.50
*Applies to term infants – preterm infants may have a different value.

Laboratory Site

RIE
51 Little France Crescent
Old Dalkeith Road
Edinburgh
EH16 4SA
Telephone: 0131 536 1000

Transport arrangements

Specimen must be transported within a plastic sealable bag or other suitable container. Samples should be transported to the laboratory ASAP

Special instructions for collection

​The coagulation samples (green top) MUST be filled to the green line indicated on the tube.

How to request

Must be discussed and arranged with Haematology medical staff.

Availability

Monday - Friday: routine service 09:00 - 17:00. Saturday - Sunday: routine service 09:00 - 13:00
Please contact the laboratory for urgent samples outside of routine hours.

Anticipated turnaround

7 days

What happens if the result is positive or abnormal

The laboratory will telephone abnormal results where it appears that these are likely to be clinically significant. Please provide a telephone/ bleep number.