Delta-Aminolevulinic Acid, Random Urine
Test Summary
ALA is a precursor to uroporphyrin, coproporphyrin, and protoporphyrin. Concentrations of ALA are greatly increased in many patients with acute neurological forms of porphyria's and in some patients with chronic alcohol abuse.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
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
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).
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: 7 days
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
Urine preserved with 1 mL concentrated glacial acetic acid, or 1 mL 6N HCl, protected from light, catharized urine in sterile, plastic, screw-capped container
Unacceptable Specimens
Received room temperature • Not protected from light
Order Code
ALAU
EPIC (Premier) Code
LAB6307
Includes
N/A
CPT Code
- 82135
Billing Code
- 670527
CPT Statement
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. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153
14225 Newbrook Drive
Chantilly VA, 20153
Department
Reference Testing
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 |
Setup Schedule / Expected Turnaround Time
Tuesday, Thursday, Saturday evening; Report available: 1 day
Specimen Collection
Special Instructions
N/A
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
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).
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: 7 days
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
Urine preserved with 1 mL concentrated glacial acetic acid, or 1 mL 6N HCl, protected from light, catharized urine in sterile, plastic, screw-capped container
Unacceptable Specimens
Received room temperature • Not protected from light
Result Information
Methodology
Colorimetric (C)
Testing Laboratory
N/A
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 |
Setup Schedule / Expected Turnaround Time
Tuesday, Thursday, Saturday evening; Report available: 1 day