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

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


Alternate
Collection Media:


Light Green top tube (Lithium Heparin), Green top tube (Na Heparin), 
Lavender top tube (EDTA), Pink top tube (EDTA sprayed)


Minimum:


Adult preferred minimum: 1 mL serum or plasma
Adult absolute minimum: 0.5 mL serum or plasma
Pediatric minimum: 0.4 mL serum or plasma


Analytic Time:


2 days


Reference Range:


0.8-3.5 ng/mL in fasting specimens

Reference interval applies to fasting specimens.  To convert to nmol/L, 
multiply ng/mL by 0.33.


Comments:


Fasting sample preferred.


Methodology:


Chemiluminescent Immunoassay


CPT Code:


84681




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Updated: 05/14/2007

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.