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Lab Test Dictionary

Arylsulfatase A, Leukocytes (ARSAW)

Methodology

Colorimetric Enzyme Assay


Specimen Type

Whole Blood

Performing Lab

Mayo Medical Lab


Epic ID

Other Reference Test

Lab Test Days

Varies

Standard TAT

8-15 Days


Collection Information

Specimen Required

5-6 mL Whole Blood

Container Type

Yellow (ACD), Solution B

Collection Instructions

Collect Monday-Thursday 0800-1300 only, no weekends or holidays. Whole blood collected in an ACD Solution A (yellow-top) tube is also acceptable. Complete a Mayo Biochemical Genetics Patient Info form and submit with specimen to lab.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Ambient-OK

Specimen Stability

Room Temp: 4 Days; Refrigerated: 4 Days (Preferred); Frozen: Unacceptable

Rejection Criteria

Gross hemolysis; Specimen > 96 Hours Old

Test Volume Required

6 mL Whole Blood

Minimum Test Volume

5 mL Whole Blood

Processing Instructions

Order in Mayolink and send with Mayo courier Monday-Thursday only with completed Mayo Biochemical Genetics Patient Info form.


CPT Codes

82657