Aluminum, 24-Hour Urine without Creatinine

Test Code

14451

CPT Codes
82108

Includes

CPT code 81050 may be added at an additional charge for volume measurement

Preferred Specimen

7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free container

Minimum Volume

3 mL

Instructions

Collect without preservative and transport in a plastic, acid washed or metal free container. Record total volume on specimen container and on test requisition. To avoid contamination, do not measure 24-hour volume.

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days

Methodology
Atomic Spectroscopy (AS)

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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Mon-Sat; Report available: 1 day

Limitations

This measure is very sensitive to aluminum containing medications, e.g., aluminum-containing antacids, and may continue to test as elevated for a prolonged period of time after the medication is stopped.

Reference Range

<36 mcg/24 h

Clinical Significance

Individuals undergoing hemodialysis are at risk for aluminum toxicity. Prolonged accumulation may cause encephalkopathy, and vitamin d-resistant osteomalacia. Also workers exposed to high levels or to long-term low levels of aluminum dust are at increased risk of toxicity.

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.