CPT Code:
82543
Availability:
Monday - Friday, 0800 - 1700.
Turnaround Time:
2 - 3 days.
Minimum Volume:
1.0 mL (at least 2.0 mL preferred).
Specimen Handling:
Random urine, morning specimen preferred. Refrigerate or freeze without preservative.
Interpretive Reference Range:
Normal < 82.7 mg/mg creatinine.
Use:
Diagnosis of Canavan disease.
Methodology:
Stable isotope dilution gas chromatography-mass spectrometry (GC/MS).