Acid mucopolysaccharides is a test that measures the amount of mucopolysaccharides released into the urine over a 24-hour period.
Mucopolysaccharides are long chains of sugar molecules found throughout the body, often in mucus and in fluid around the joints.
A 24-hour urine sample is needed.
There is no special preparation needed.
The test involves only normal urination, and there is no discomfort.
This test is done to diagnose a rare group of genetic disorders called mucopolysaccharidoses, including Hurler syndrome.
This test is usually only done in infants who have a family history of one of these disorders.
Normal levels vary with age and from lab to lab. Talk to your doctor about the meaning of your specific test results.
Abnormally high levels are a sign of mucopolysaccharidosis. Further tests are needed to determine the specific type of mucopolysaccharidosis.
AMP; Dermatan sulfate - urine; Urine heparan sulfate; Urine dermatan sulfate; Heparan sulfate - urine
Updated by: Frank A. Greco, M.D., Ph.D., Director, Biophysical Laboratory, The Lahey Clinic, Burlington, MA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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