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.
No special preparation is needed for Delta Aminolevulinic Acid Colorimetric 24 Hour Urine. Inform your doctor if you are on any medications or have any underlying medical conditions or allergies before undergoing Delta Aminolevulinic Acid Colorimetric 24 Hour Urine. Your doctor depending on your condition will give specific instructions.
| Gender | Age groups | Value |
| UNISEX | All age groups | < 4.5 mg/24hrs |