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Test Code OXAZS Oxazepam, Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube: Red top (Serum gel/SST are not acceptable)

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Useful For

Assessing compliance

 

Monitoring for appropriate therapeutic level

 

Assessing oxazepam toxicity

Method Name

Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Reporting Name

Oxazepam, S

Specimen Type

Serum Red

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reference Values

Therapeutic concentrations

Oxazepam: 200-1500 ng/mL

 

Cutoff concentrations by liquid chromatography tandem mass spectrometry:

Oxazepam: 10 ng/mL

Day(s) Performed

Monday, Wednesday

Report Available

3 to 7 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

80299

LOINC Code Information

Test ID Test Order Name Order LOINC Value
OXAZS Oxazepam, S 3886-9

 

Result ID Test Result Name Result LOINC Value
623016 Oxazepam 3886-9