Naloxone, Free, Serum/Plasma

Test Code: TD_5327

CPT Code(s): 80362

$299

Test Details

Alternative Name(s)

Narcan, Serum

Test Includes

Naloxone, Free, Serum/Plasma

Methodology

High performance liquid chromatography-tandem mass spectrometry (HPLC-ms/ms)

Rejection Criteria

Samples collected in serum separator tube

Reference Range(s)

By Report

Specimen Requirements

Preferred Specimen

Plain red top tube

Minimum Volume

0.7 mL serum or plasma

Sample Stability

13 days room temperature
29 days refrigerated
6 months frozen

Transport Temperature

Refrigerated

Collection Instructions

2 mL serum from a plain red top tube. Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Refrigerate.

Alternative Specimen

2 mL EDTA (lavender top) plasma. Centrifuge sample and separate plasma from cells immediately. Transfer plasma to a plastic transport tube. Clearly label tube as EDTA plasma. Refrigerate.