10 mL (5 mL min.) aliquot of first morning Urine in a sterile screw capped container. Do not use any preservatives. Ship refrigerated or frozen. Provide brief clinical and drug history.
Toluidine blue spot test
Sample Daily by 4 pm; Report Next day
Mucopolysaccharidosis (MPS) is an autosomal recessive lysosomal storage disorder. It is due to the deficiency of the enzyme responsible for catabolism of glycosaminoglycans (GAG). These patients first present with increased urinary GAG excretion.
First morning urine sample required. Provide brief clinical and drug history.