Phosphorylase b kinase (PHKA2)




Chemical Pathology - Enzyme

Clinical indications

For the diagnosis of glycogen storage disease type Ixa

Specimen requirement

1. 5 - 10 mL lithium heparin whole blood or

2. Liver biopsy

Dispatch and handling instructions

1. Send whole blood at ambient temperature to reach lab ideally within 24 hours of collection

2. Snap freeze immediately. Send sample on dry ice. Do NOT allow sample to thaw. To reach lab ideally within 24 hours

Turnaround time

1. 4 to 6 weeks

2. 4 to 6 weeks


PHKA2, GSD IX, PhK deficiency, Phosphorylase b kinase deficiency, Phosphorylase kinase deficiency

Is it IS0 15189 accredited?

1. Yes

2. Yes