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Time Sensitive
Ordering Recommendation
Mnemonic
ARYL LEUK
Methodology

Quantitative Colorimetry

Performed

Varies

Reported

8-18 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Yellow (ACD solution B). Also acceptable: Yellow (ACD solution A). Collect Monday-Wednesday only and not the day before a holiday.

Specimen Preparation

Transport 6 mL whole blood in the original tube. (Min: 5 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Refrigerated. Also acceptable: Room temperature.

Unacceptable Conditions

Grossly hemolyzed specimens.

Remarks
Stability

Ambient: 4 days; Refrigerated: 4 days; Frozen: Unacceptable

Reference Interval

By Report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note
Hotline History
N/A
CPT Codes

82657

Components
Component Test Code* Component Chart Name LOINC
2011059 Arylsulfatase A, Leukocytes, Whole Blood 24078-8
2011060 Arylsulfatase A, Interpretation 59462-2
2011061 Reason for Referral
2011062 Reviewed by 18771-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • ARSA Deficiency
  • Arylsulfatase A (WBC)
  • Arylsulfatase A Deficiency
  • Metachromatic Leukodystrophy
  • MLD
  • WBC Aryl Sulfatase A
Arylsulfatase A, Leukocytes, Blood

Mayo Clinic Laboratories