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Arylsulfatase A, 24 Hour, Urine
Test Code39244
CPT Codes
84311
Physician Attestation of Informed Consent
This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, NY, OR, SD or VT or test is performed in MA.
Preferred Specimen
6 mL 24-hour urine collected in a plastic 10 mL tube
Minimum Volume
2.5 mL
Instructions
24-hour volume 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.
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
Sets up 1 day a week.
Report Available
Reports in 10 to 18 days.
Clinical Significance
Detection of arylsulfatase A deficiency using urine specimens.
