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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Morphine, Free (Unconjugated), Serum
Test CodeQMORP
Quest Code
6215
CPT Codes
80361 (HCPCS: G0480)
Preferred Specimen
5 mL serum collected in a red-top tube (no gel)
Minimum Volume
2.5 mL
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum Separator Tube (SST®)
Methodology
Chromatography/Mass Spectrometry
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Tues, thurs, sat
Report Available
5 days
Reference Range
10.0-80.0 ng/mL | Therapeutic (for surgical anaesthesia) |
≥200.0 ng/mL | Potentially toxic (and/or potential side effects) |
Clinical Significance
Therapeutic drug monitoring and confirmation of screen- positive results. Morphine is an active component of Depodur, Roxanol, etc. Serum half-life is 1.3 to 6.7 hours.
Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA |
14225 Newbrook Drive |
Chantilly, VA 20151-2228 |