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Creatine Disorders Panel, urine
Alternate test name
Creatine/Guanidinoacetate Panel, GAA
Lab area
Clinical Biochemistry - Metabolic Diseases
Method and equipment
Quantitation using non-derivatized method, measurement using LC-MS/MS.
Expected turn-around time
30 days
Specimen type
Random Urine
Specimen requirements
1 mL of urine in sterile screw top container.
Storage and transportation
- Store at -20°C and transport frozen on dry ice.
Special requirements
- Freeze within 1 hour of collection, analytes are unstable.
Shipping information
The Hospital for Sick Children
Rapid Response Laboratory
555 University Avenue, Room 3642
Toronto, ON
Canada
M5G 1X8
Phone: 416-813-7200
Toll Free: 1-855-381-3212
Hours: 7 days/week, 24 hours/day
Requisition
Background and clinical significance
Diagnosis of disorders of creatine metabolism
Disease condition
Creatine metabolism disorders,
Creatine Synthesis and Transport disorders - AGAT deficiency,
GAMT deficiency, Creatine transporter deficiency.
Secondary creatine synthesis disorders - e.g. OAT deficiency.
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Customer Service
Toll Free: 1-855-381-3212
Local: 416-813-7200