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  Factor XI Activity Assay Specimen Type:
  also known as Factor XI, Clotting Factor XI Assay

Blood


SPECIAL COAGULATION LAB

Specimen requirements: Blue Top
Reference ranges:
CATEGORY LOW   HIGH   UNITS   QUALITATIVE  
N/A 75 165 % N/A
Critical values:
CATEGORY LOW   HIGH   UNITS   QUALITATIVE  
N/A 40% N/A N/A N/A
Unit of measure: Percent (%)
Ideal sample: 2.7 mL Whole blood, blue top tube
Absolute minimum amount: 2.4 mL Whole blood, blue top tube
Method of collection: N/A
Transportation: N/A
Label instructions: N/A
The following substances can adversely affect the results: Clots in Specimen, Improper Line Draw, Heparin, Other Thrombin Inhibitors, Hemolysis
Request test on form: Special Coagulation ( D6115 )
Order/entry screen(s): Hematology/Coagulation
Stat frequency: N/A
Stat turn around time: N/A
Routine frequency: Monday - Friday, 0830-1630
Must be in by: Monday - Friday
Routine turn around time: 24 Hours
For Hillcrest deliver to: SCRAP : Specimen Central Receiving and
  Processing, room 2-117
For Thornton deliver to: Hematology : Processing Desk, 1st floor,
  Hospital, room 1-013
Scheduling requirements : N/A
Method: Optical Clot Detection
Special Instructions: Sample must be delivered to the laboratory within 2 hours of collection.
  Results are available on a Chart Copy
  Results are Quantitative
CyberLAB abbreviation: FXI
CyberLAB code: 6118
Lab Processing Instructions: N/A