Description
Measures aromatic L-amino acid decarboxylase activity, a key enzyme in dopamine/serotonin biosynthesis.
Indications
Supports diagnosis of aromatic L-amino acid decarboxylase deficiency in compatible infantile/childhood movement disorder, autonomic, developmental, or neurotransmitter phenotypes.
Sample Type, Quantity & Conditions
EDTA Plasma
Special Precautions
Use the specified EDTA plasma protocol; separate immediately, freeze promptly, and ship frozen. Avoid hemolysis and document age, medications, and relevant metabolites/genetic results.
Normal Range
36.0 - 129.0 pmol/min/mL