Magnesium, Random Urine (with Creatinine), AA [19743X]

Test Code
14460

CPT Codes
82570, 83735

Preferred Specimen
10 mL of a well-mixed, preserved random urine, submitted in a plastic, leak-proof 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
Atomic Absorption (AA)

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 p.m.; Report available: Same day

Reference Range
Magnesium, Random Urine
Adults: 22-130 mg/g Creat


Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



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.