Useful For:
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.
Methodology: Colorimetric
Specimen Requirements:
Submit an entire 24-hour urine collection in a urine container supplied by Meadville Medical Center Laboratory. Refrigerate specimen during and after collection. No preservative is needed. Refer to “Patient Information” section in back of manual for patient handout explaining collection information for this test.
NOTE: Wrap aliquot bottle with foil to protect from light.
Analytical Time:
2 days
Days Set Up: Monday, Wednesday, Friday
CPT Information:
82135 – aminolevulinic acid