Test ID: ZG837
CPT code: 82657
Specimen Type: yellow ACD
Frequency: Setup: Thurs: analytic time 8 days
Instructions: 7.0mL whole blood from yellow ACD tube, refrigerated. Min 5.0mL. Send in original tube. Draw Mon-Thurs only, must arrive at Mayo within 48hrs.
Text: Useful For: Detection of metachromatic leukodystrophy Preferred test to rule-out metachromatic leukodystrophy. Not reliable in
identifying carriers due both to analytical variation and unusual
genetic variants. COMPONENTS: Z1739 ARYLSULFATASE A, LEUKO; Z5020 ARYLSULFATASE INTERP; Z5021 ARYLSULFATASE REASON FOR REFERRAL; Z5022 ARYLSULFATASE REVIEWED.
Methodology: Colorimetric Enzyme Assay