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


Methadone
Order Code: METHADO
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:
Red top tube, Pink top tube (EDTA sprayed), Green top tube (Na Heparin)
Minimum:
Collect TWO full 6 mL plain red top.
Also accepted TWO full 6 mL pink K2 EDTA or green tubes.

Adult preferred minimum: 4.0 mL serum or plasma
Adult absolute minimum: 2.5 mL serum or plasma
Pediatric minimum: 1.5 mL serum or plasma
Rejection Criteria:
Specimens exposed to repeated freeze/thaw cycles. Serum separator tubes 
and plasma or whole blood from lt. blue tubes (sodium citrate)
Analytic Time:
4 days
Reference Range:
By report
Interpretive Data:
For medical purposes only; not valid for forensic use.
Methodology:
Liquid Chromatography
CPT Code:
83840

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Updated: 07/29/2008

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.