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AGAT (Arginine:Glycine Amidinotransferase) Deficiency, Arginine:Glycine Amidinotransferase Deficiency (AGAT), CrT1 defect, GAMT (Guanidinoacetate Methyltransferase) Deficiency, Guanidinoacetate Methyltransferase (GAMT) Deficiency, Guanidinoacetate, Guanidinoacetic acid, Creatine urine, Creatinine urine, Creatine/creatinine ratio urine, Creatine disorders
Creatine Disorders Panel, Random, Urine
1. Collect a random urine specimen.
2. Immediately freeze specimen.
3. If possible, do not send other tests ordered on same vial of urine. In doing so, the other tests may have increased turnaround time due to the strict frozen criteria of this assay.
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.