|Alternate:||Stuart Power Factor; Stuart Factor; Autoprothrombin III; Autoprothomblin|
|Available:||Day shift only; M-TH|
|Turnaround:||STAT: 24 hours Routine: 1 week|
|Container:||Blue top tube (3.2% sodium citrate)|
|Temperature:||Transport within 30 minutes of collection; can be frozen up to two weeks.|
|Rejection:||Tubes not filled to the line. Specimens which are clotted, hemolyzed, diluted with I.V. fluids, or contaminated with heparin.|
|Normal:||50-150% of normal activity.|
|Uses:||To detect specific coagulation Factor X activity.|
|Limitations:||Results in patients receiving anticoagulation therapy or with a circulating inhibitor may be limited. Avoid coumadin therapy for 2 weeks and heparin therapy for 2 days.|
Online referral form
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