ALA(Aminolevulinic Acid (Random) (S51660)

Test Code
ALA(RANDOM) (S51660)

Quest Code

CPT Codes

Preferred Specimen
2 mL random urine - no preservative - protect from light

Minimum Volume
0.6 mL

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

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

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Not protected from light

Colorimetric (C)

Setup Schedule
Mon, Wed, Fri

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 Chantilly
14225 Newbrook Drive
Chantilly, VA 20153-0841

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.