Loxapine and 8-Hyroxyloxapine

Abbrev Code:XMISC   
Order Code:LAB4909Order Name:Loxapine and 8 Hyroxyloxapine
Synonyms:Loxitane; 8 Hydroxyloxapine; Adasuve
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Codes: 80342 x1
Test Includes:Loxapine and 8-hydroxyloxapine.
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 3 days.

Collection Instructions

Optimal Volume:4 mL
Minimum\Peds Volume:1.4 mL
Container:Red (no gel)
Alternate Containers: Green (lithium heparin, no gel), Green (sodium heparin, no gel)
Collection Instructions:Usual sampling time is immediately prior to next dose (trough).

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.6 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Stability:Up to 3 days at room temperature; for longer storage, refrigerate or freeze.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:65


Reference Range:Loxapine: 5-30 ng/mL; 8-hydroxyloxapine:.20.0-100.0 ng/mL
Limitations:Therapeutic range has not been established.
Use:Therapeutic monitoring and assess toxicity.

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