Specialist Biochemistry
SENB
Guanidinoacetate - Plasma
8 weeks
0.5
1
Urine required to exclude creatine transporter defect
Frozen If overnight - Frozen
LCMSMS
Contact Canterbury Health Laboratories on +64 3 364 0484 or email LabInfo@cdhb.health.nz
Referred to Biochemical Genetics, children's hosptal at Westmead, NSW
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