Fentanyl and Norfentanyl, Serum

Test Code

40065

CPT Codes
80354

Preferred Specimen

2 mL serum collected in a red-top tube (no gel)

Minimum Volume

1 mL

Instructions

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Serum separator tubes (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 the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Mon, Wed, Fri; Report available: 3-5 days

Reference Range

Fentanyl	1.0-3.0 ng/mL
Norfentanyl	See Laboratory Report

Clinical Significance

Fentanyls are extensively used for anesthesia and analgesia. There are fentanyl transdermal patches available that are used in chronic pain management.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.