Aminolevulinic Acid, Random Urine

Test Code

DALARU

Quest Code

6301

Alias/See Also

Aminolevulinic Acid
5-ALA
D-ALA

CPT Codes
82135

Preferred Specimen

2 mL unpreserved random urine,or clean-catch urine collected in a sterile plastic leak-proof container - protected from light

Minimum Volume

0.6 mL

Other Acceptable Specimens

Urine preserved with 1 mL concentrated glacial acetic acid, or 1 mL 6N HCl, protected from light, catherized urine in sterile, plastic, screw-capped container

Instructions

Wrap container in aluminum foil to protect from light. Do not use preservatives. Do not use first morning void, late evening specimen (after 8:00 PM), or specimen after excessive fluid intake. Keep refrigerated and transport refrigerated (cold packs).

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days

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

Received room temperature • Not protected from light

Methodology
Colorimetric (C)

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, Thurs, Sat p.m.; Report available: Next day

Reference Range

1-8 Years	2.3-6.2 mg/g creat
9-17 Years	1.5-5.3 mg/g creat
≥18 Years Male	<1.8 mg/g creat
≥18 Years Female	<5.4 mg/g creat

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

Last Updated: April 6, 2021

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.