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Arylsulfatase A, 24 Hour, Urine
Test Code39244
CPT Codes
84311
Preferred Specimen
6 mL of a 24 hour urine collected in a plastic, 10-mL urine tube
Minimum Volume
2.5 mL
Instructions
24-Hour volume is required.
New York Clients-Informed consent is required.
Specimen must be received at least 1 day prior to assay day for processing.
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.
1. Collect a 24-hour urine specimen.
2. No preservative.
3. Refrigerate specimen during collection.
New York Clients-Informed consent is required.
Specimen must be received at least 1 day prior to assay day for processing.
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.
1. Collect a 24-hour urine specimen.
2. No preservative.
3. Refrigerate specimen during collection.
Transport Temperature
Refrigerated (cold-packs)
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: Unacceptable
Refrigerated: 14 days
Frozen: Unacceptable
Methodology
Colorimetric (C) • Enzyme Assay
Setup Schedule
Set up: Fri; Report available: 9-16 days
Reference Range
≥19 nmol/h/mL
Clinical Significance
Detection of arylsulfatase A deficiency using urine specimens.
