Prekallikrein Factor, Activity
0099043
Ordering Recommendation
 
Mnemonic
PREKALL
Methodology
Clotting
Performed
Tue
Reported
1-8 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.  
Specimen Preparation
Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)  
Storage/Transport Temperature
CRITICAL FROZEN. Separate samples must be submitted when multiple tests are ordered.  
Unacceptable Conditions
Serum. Non-frozen or hemolyzed specimens.   
Remarks
 
Stability
Ambient: 4 hours; Refrigerated: 4 hours; Frozen: 2 weeks  
Reference Interval
55-207%  
Interpretive Data
 
Note
 
CPT Code(s)
85292
Components
Component Test Code*Component Chart Name
0099043Prekallikrein (Fletcher) Assay
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Aliases
  • Fletcher Factor