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Creatine and Guanidinoacetate Determination Plasma
Test Code13601L
CPT Codes
82540, 82542
Includes
Creatine, Guanidinoacetate, Interpretation
Preferred Specimen
2 mL plasma collected in a sodium heparin (green-top) tube
Minimum Volume
1 mL
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 7 days
Refrigerated: Unacceptable
Frozen: 7 days
Methodology
Tandem Mass Spectroscopy
Setup Schedule
Set up: Mon-Fri; Report Available: 10 days
Clinical Significance
This test provides quantitative analysis of Creatine and Guanidinoacetate in plasma.
This test is useful for the evaluation of patients suspected of having disorders of Creatine Transport and Synthesis, e.g. GAMT and AGAT Dificiency.
This test is useful for the evaluation of patients suspected of having disorders of Creatine Transport and Synthesis, e.g. GAMT and AGAT Dificiency.
