Arylsulfatase A

Also known as: lysosomal for metachromatic leukodystrophy.

What is an Arylsulfatase A test?

Arylsulfatase A test is a blood test performed in children to diagnose an inherited disorder known as metachromatic leukodystrophy (MLD). The disease involves a deficiency of the enzyme arylsulfatase A.


What happens during the procedure?

A routine blood draw is required in order to perform the arylsulfatase A test. The blood sample is then taken to a laboratory for testing and analysis.


Is any special preparation needed?

In most cases, no special preparation is needed for the test.


What are the risk factors?

Infection, bleeding and damage to surrounding organs and tissues are potential risks of the test.


Reviewed by: Paul Cardenas, MD

This page was last updated on: 9/3/2018 10:10:15 AM

From the Newsdesk

Nicklaus Children's Hospital to offer new rapid genetic test
Nicklaus Children's Hospital will be one of a handful in the country to offer a fast turn-around on genome sequencing that can be a key to saving infants with rare and hard-to-diagnose genetic disorders. As seen on The Miami Herald.
Research Study: How your child's genetic makeup can impact the way he or she responds to certain medications
Enzymes are particularly important in the processing of medicines and drugs. They determine how our bodies are going to handle the medicines we take, and if those medicines are going to help us feel better or not. This research study includes testing the status of the CYP2D6 gene in children.