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

Doxepin and Metabolite
Order Code: DOXE
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:


Green top tube (Na Heparin), Lavender top tube (EDTA)


Minimum:


Adult Preferred Minimum:  2.0 mL serum or heparinized or EDTA plasma
Adult Absolute Minimum: 1.0 mL serum or heparinized or EDTA plasma
Pediatric Minimum: 0.7 mL serum or heparinized or EDTA plasma


Rejection Criteria:


Gel separator tubes


Analytic Time:


4 working days


Reference Range:


Therapeutic Range:
   Doxepin & nordoxepin: 100 - 300 ng/mL

Toxic:  > 400 ng/mL


Methodology:


High Performance Liquid Chromatography


CPT Code:


80166, 80299


 


See also:
Amitriptyline/Nortriptyline Fractionation, Serum
Imipramine/Desipramine Fractionation, Serum


 


See Additional Information:
Critical Laboratory Values




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Updated: 07/15/2008

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.