The University of Iowa (UIHC)
Department of Pathology
LABORATORY SERVICES HANDBOOK

Vitamin K
Order Code: VTK
Order Form: A-1a Miscellaneous Request or IPR Req 		  Commercial "Mail-out" Laboratory
6240 RCP
356-3527 
Specimen
 
Serum
Collection Medium:
Red top tube 


Alternate
Collection Media:


Lavender top tube (EDTA), Pink top tube (EDTA sprayed)


Minimum:


Preferred Minimum: 1.5 mL serum or 1.5 ml EDTA plasma
Pediatric Minimum: 0.6 mL serum or 0.6 ml EDTA plasma


Delivery Instructions:


Wrap specimen in aluminum foil to protect from light.  
Deliver to laboratory immediately after collection.


Analytic Time:


1 week


Reference Range:


0.10 - 2.20 ng/mL


Comments:


Overnight 12 hour fast preferred.  Do not consume alcohol for one day 
prior to blood draw. Avoid hemolysis.  Separate samples must be 
submitted when multiple tests are ordered.


Methodology:


High Performance Liquid Chromatography


CPT Code:


84597


 


See Additional Information:
Specimens Requiring Immediate Delivery




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Updated: 08/19/2008

Note: The information contained in this handbook is  
            for use by personnel of University of Iowa Health Care. 
            No other use is implied or intended.