Factor 8 activity

Alphabetical Test listing

Factor 8 activity-638

  
Factor 8 activity
  
638
  
85240.0
  
F8
  
Sodium citrate (Na cit) plasma
  

Lt blue Sodium citrate (Na Cit) - 2.7mL

If the patient has a hematocrit >55, a specially prepared Lt blue Sodium citrate (NaCit) tube must be used in place of the standard Lt blue Sodium citrate (NaCit) tube.

Hematocrit-Anticoagulant adjustments

  
1.5 mL
  
0.6 mL
  
  • Do not over or under fill tube as the ratio of anticoagulant to whole blood is critical

Coag – tube fill guidelines

  • Mix by gentle inversion 3 - 4 times
  
  • Process Platelet Poor Plasma (P.P.P)

Coag – how to prepare a specimen for special coagulation testing

  
  

Frozen (strict)

Refrigerated - NO

  
  • Improper label (unlabeled or mislabeled)
  • Improper anticoagulant
  • Improperly filled tube
  • Hemolysis
  • Clotted specimen
  • Delay in transport
  • Improper storage/transport temperature
  • Specimens collected in Greiner tubes 
  
AHL - Coagulation/Special Coagulation: V
  
Mo, We, Fr
Available STAT
  
1 day
  

Clot Based Assay

  
Age Range (%)
0 - 5 days 50-178
6 - 30 days 50-157
1 - 6 months 50-125
>7 months 50-149

 

  
85240
  
11/30/2001
  
01/13/2021
  
02/17/2020