Arylsulfatase B

Also known as: ARSB, fibroblasts.

What is an arylsulfatase B test?

Arylsulfatase B test is a blood test performed in children to diagnose an inherited disorder known as Maroteaux-Lamy syndrome, or mucopolysaccharidosis VI. The disease involves a deficiency of the enzyme arylsulfatase B.


What happens during the procedure?

A routine blood draw is required in order to perform the arylsulfatase B 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: 6/21/2019 1:28:49 AM