ARUP's Laboratory Test Directory

Prekallikrein Factor, Activity : 0099043

Mnemonic: PREKALL

Methodology: Clotting
Performed: Tue
Reported: 1-8 days
Specimen Required: Collect:  One 5 mL lt. blue (sodium citrate).  Refer to the Hemostasis/Thrombosis Specimens section in the front of this User's Guide for special collection instructions.

Storage/Transport Temperature:  2 mL platelet-poor plasma, frozen. (Min: 1 mL) Submit specimen in an ARUP Standard Transport Tube.

Remarks:  CRITICAL FROZEN. Separate samples must be submitted when multiple tests are ordered.

Unacceptable Conditions:  Serum and nonfrozen or hemolyzed specimens. 

Stability (collection to initiation of testing):  Ambient: 4 hours; Refrigerated: 4 hours; Frozen: 2 weeks
Reference Interval:
55-207%
CPT Code(s): 85292
Cross References: Fletcher Factor
 
 

 

 

 
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