Test Details

Mnemonic

HEXOL

Ordering Code

3800310

CPT-4 Code(s)

83080 x 2

Specimen Information

Collect

Yellow ACD

Specimen Preparation

Send 6.0 mL whole blood in the original tube. Sample must arrive within 48 hours of collection.
Due to the nature of the testing procedure, specimens will only be accepted on Monday, Tuesday and Wednesday.

Minimum Volume

5.0 mL

Transport Temperature

Refrigerated

Rejection Criteria

Gross hemolysis, specimen >96 hours old

Stability

Room temperature: 4 days
Refrigerated: 4 days
Frozen: Unacceptable

Methodology

Heat Inactivation, Fluorometric, Semiautomated
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Reference Range

Total: 16.4–36.2 U/g of cellular protein
Hexosaminidase A: 63–75% of total (normal)
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Performing Laboratory

Mayo Clinic Laboratories
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New York DOH Approval Status

Yes
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