View information on our visitor policy. >>

Information about coming with a patient for their appointment, test or surgery. >>

Text size: a a a

Laboratory Medicine

Test catalogue

Alpha-Galactosidase Enzyme Activity, Serum

Test Name

Alpha-Galactosidase Enzyme Activity, Serum

Red Tube Specimen Type / Requirements

Container Type = 1 Red Top

Minimum Volume = 1.5mL Serum

Tubes must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in red top container. Sample must be collected in AM only Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions SShip sample at room temperature. Do not refrigerate or freeze. Note: Specimen should be drawn early enough in the day to arrive at Sick Kids Metabolic Diseases laboratory by 1:00 p.m on day of collection.

Rejection Criteria: Plasma, unlabeled, samples received after 12pm on day of colection or samples of non sufficient quantitity.

Transportation: Send sample to core lab immediately for sample to be sent before 12:30pm on day of collection.

Required Documentation

Turnaround Time (TAT)

2-3 weeks

Test Utilization

Reference Value

1-8 nmol/h/mL

Test Code



Activity measured fluorometrically
using a 4-MU containing substrate
specific for this enzyme

Testing Location

Referred Out – ON, Canada (ROSK01)

Other Information

Last Updated: September 09, 2020