The quantity of product produced is measured by counting in a liquid scintillation counter. Liver specimens should be quick frozen immediately after obtaining the specimen. Do not add any liquid to the specimen prior to freezing. Store at -70 degrees C and ship the specimen on dry ice. Turn around time is 4-7 days.
Prenatal diagnosis is available on cultured chorionic villus cells and amniocytes.
Due to the nature of the expression of the enzyme in various amniotic fluid cell types problems may occur when using amniocyte cultures for diagnosis. Please contact the laboratory for further details. Turn around time is dependent on cell growth and is usually 1-2 weeks.