Phenylalanine (PKU patient) Quant
CMH Lab Section
Phenylalanine measurement is used in the diagnosis of hyperphenylalanine and PKU.
Minimum 1 mL in sodium heparin green top
Alternate tubes: red top with gold ring
Dried blood spot samples on filter paper (S&S type 903 or equivalent, as used for newborn screening). Completely fill at least two circles. Blood spots should be completely dry before they are shipped (4-6 hours).
Turn Around Time
Batched testing run on Thursday
Specimens must be received by Wednesday afternoon
Spin, separate and refrigerate
|1 month- 2 years||0.5-1.2||31-75
|> 18 years||0.6-1.4||35-85