Laboratory Lab results are too important to go anywhere else.

Amoxapine Level and Metabolite

Asendin, Amoxapine and Metabolite

Test Codes

EPIC: LAB5939, Beaker: XAMOX, NMS: 0325SP

Department

Send Outs

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.

Also Acceptable: One Lavender-top EDTA tube.

Do not use Serum Separator Tubes.

Time of Collection: Trough, just prior to the next dose.

Physician Office/Draw Specimen Preparation

Centrifuge to separate serum or plasma from cells within two hours of collection. Transfer serum or plasma to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum or plasma at refrigerated (2-8°C or 36-46°F). (Minimum: 0.3 mL)

Rejection Criteria

• Serum Separator (SST) tubes.
• Specimens not collected or processed as indicated.

In-Lab Processing

Centrifuge to separate serum or plasma from cells within two hours of collection. Transfer serum or plasma to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 1.0 mL serum or plasma, refrigerated (2-8°C or 36-46°F). (Minimum: 0.3 mL) 

Storage

Room Temperature (20-26°C or 68-78.8°F) 14 days
Refrigerated (2-8°C or 36-46°F): 30 days
Frozen (-20°C/-4°F or below): 7 months

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT, forwarded to National Medical Services (NMS), Willow Grove, PA.

Performed

Varies.
Results available in 7 days.

Reference Range

By report.

Test Methodology

Quantitative High Performance Liquid Chromatography / Tandem Mass Spectrometry.

Interpretation

By report.

Clinical Utility

Amoxapine is an antidepressant. This assay is used for the therapeutic monitoring and toxicity assessment of amoxapine. 8-hydroxyamoxapine is an active metabolite and is reported to assist interpretation of amoxapine drug levels.

CPT Codes

80335 (alternate: G0480).

Contacts

Last Updated

10/16/2023