Dried blood spot collected from a finger stick or from whole blood collected in a lavender-top (EDTA) tube spotted onto Integrated Genetics-supplied and validated filter paper card. Fill 6 circles completely with blood.
Transport card refrigerated
Integrated Genetics-supplied and validated filter paper card can be obtained from the Central Laboratory Supply Catalog upon request.
Transport card refrigerated - 4 days
Ambient - no (strict)
Frozen - no (strict)
Due to limited stability of this assay, and to allow for the sample to reach LabCorp, this should only be collected and shipped Monday- Thursday only
Shipped frozen
Determination of enzymatic activity with 4-methylumbelliferyl-?-D-galactopyranoside
See report for interpretation