Arylsulfatase A, Leukocytes
Test code
CPT code(s)*
Test resources
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Details
Methodology
Colorimetric Enzyme Assay
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 6 mL whole blood collected in an ACD (yellow-top) tube |
| Minimum volume | 5 mL |
| Collection instructions | Specimen must arrive within 96 hours of draw to be stabilized. Draw specimen Monday-Thursday only and not the day before a holiday. Specimen should be drawn and packaged as close to shipping time as possible. Do not transfer blood to other containers. NOTE: New York clients: An informed consent is required. Please document on the test requisition or electronic order that a copy is on file. |
| Transport container | ACD (yellow-top) tube |
| Transport temperature | Refrigerated (cold packs) |
| Specimen stability | Room temperature: 4 days Refrigerated: 4 days Frozen: Unacceptable |
| Reject criteria | Gross hemolysis |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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