ASA Deficiency, Metachromatic Leukodystrophy (MLD)
14 days
Colorimetry
Accredited Laboratory Partner
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Evaluates arylsulfatase A activity in urine. Assists in screening for metabolic leukodystrophies.
24 hour urine
10 mL
Plastic urine container
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
24 hour volume is required, Refrigerate during collection. No preservative.
| Temperature | Period |
|---|---|
| Refrigerated coolant | 14 days |