Magnesium, Random Urine with Creatinine

Test Code

12587

CPT Codes
82570, 83735<br>Restricted Client Code

Preferred Specimen

10 mL of a well-mixed random urine collected in a leak-proof urine container

Minimum Volume

0.5 mL

Instructions

Please submit 10 mL of a well-mixed random urine. Adjust pH to < 3.0 with 6N HCl before aliquoting for testing. Refrigerate during and after collection.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 4 days
Refrigerated: 7 days
Frozen: 90 days

Methodology
Inductively Coupled Plasma-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: Tues-Sat; Report available: 1-2 days

Reference Range

See Laboratory Report

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.