You are in Medical Library . 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. A 24-hour urine sample is needed. The health care provider will instruct you, if necessary, to discontinue drugs that may interfere with the test. On day 1, urinate into the toilet upon arising in the morning.