Avoid exposure of the urine to direct light. No special preparation is necessary for this test, but if the collection is being taken from an infant, a couple of extra collection bags may be necessary. The test involves only normal urination and there is no discomfort. This test is useful in detecting specific liver abnormalities. Delta-ALA is a chemical produced from amino acids in the liver.
Oxygen binds to the iron in the heme molecules.
Each step in the pathway requires a specific enzyme . If any of the enzymes is deficient, a type of porphyria results. Delta-ALA Please read this Important notice .