| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Delta Aminolevulinic Acid, Random Urine : 6301
Test CodeUALARN or 6301
Alias/See Also
Delta-ALA; Porphyria; Aminolevulinic Acid; D-Aminolevulinic Acid; D-ALA; ALA
CPT Codes
82135
Instructions
Do not use first morning void, late evening specimen (after 8 p.m.), or specimen after excessive fluid intake.
Random urine. Protect from light. Do not use preservatives.
Urine preserved with 1 mL concentrated glacial acetic acid or 1 mL 6N HCl, protected from light will be accepted but NOT PREFERRED.
Random urine. Protect from light. Do not use preservatives.
Urine preserved with 1 mL concentrated glacial acetic acid or 1 mL 6N HCl, protected from light will be accepted but NOT PREFERRED.
Transport Container
Protect from light. Transfer a 2 mL aliquot from well-mixed random collection to an amber transport tube (preferred) or protect the container from light with foil or place in an amber bag. (Min: 0.6 mL)
Transport Temperature
Refrigerated.
Specimen Stability
Ambient: Unacceptable; Refrigerated: 7 days; Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Not protected from light.
Methodology
Colorimetric ( C)
Setup Schedule
Tuesday & Thursday & Saturady
Report Available
1-4 days (From receipt at performing laboratory)
Reference Range
| 1-8 Years 2.3-6.2 mg/g creat 9-17 Years 1.5-5.3 mg/g creat greater than or equal to 18 Years Male less than 1.8 mg/g creat greater than or equal to 18 Years Female less than 5.4 mg/g creat |
Clinical Significance
ALA is a precursor to uroporphyrin, coproporphyrin, and protoporphyrin. Concentrations of ALA are greatly increased in many patients with acute neurological forms of porphyrias and in some patients with chronic alcohol abuse.
Performing Laboratory
Quest Diagnostics
