Diagnostic Test Directory

Michael J. Palmieri Metabolic Disease Laboratory

Arylsulfatase A (Lysosomal for Metachromatic leukodystrophy)

  • LIS Mnemonic: LYS1

    Collect

    Green (Na heparin) & Red

    Volume Required

    10.0 mL(green-Na heparin) & 2.0 mL(red)

    Minimum Required

    5.0 mL(green-Na heparin) & 1.0 mL(red)

    Transport

    Transport and store at room temperature. DO NOT FREEZE.

    Stability

    24

    Processing

    Refrigerate if delay in transport is >24 hours. If sending specimen from outside CHOP, send at room temperature by overnight courier (Mon-Thurs only).

    Unacceptable conditions

    > 24 hours @ room temperature

Days Performed

Bi-weekly

Reported

2-3 weeks

Reflex Testing

N/A

CPT

82657

Methodology

Enzyme - fluorometric

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