| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
ARYLSULFATASE A, 24 HOUR URINE
Test CodeLAB1098
Quest Code
39244
CPT Codes
84311
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 Container
Plastic 10 mL tube
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
Fri
Reference Range
≥19 nmol/h/mL
Clinical Significance
Detection of arylsulfatase A deficiency using urine specimens.
Performing Laboratory
| Mayo Clinical Laboratories |
| 200 1st Street SW |
| Rochester, MN 55905-0001 |
Last Updated: September 8, 2021
