1 drop of finger heel prick fresh Blood on special filter paper available from TrueMedix. Ship refrigerated. DO NOT FREEZE. Give brief clinical history.
LC-MS MS
Sample Mon Thu by 9 am; Report Thu Mon
Succinylacetone is the primary marker for detection of Tyrosinemia Type 1 where Tyrosine concentration may or may not be elevated. Normal levels may be seen in affected individuals undergoing treatment.