Test ID: CTSA
Ceramide Trihexoside/Sulfatide Accumulation in Urine Sediment, Urine
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Useful For Suggests clinical disorders or settings where the test may be helpful
As an aid in identifying patients with Fabry disease
As an aid in identifying patients with metachromatic leukodystrophy
Genetics Test Information Provides information that may help with selection of the correct test or proper submission of the test request
Identifying patients with metachromatic leukodystrophy (MLD) or Fabry disease.
Evidence of ceramide trihexoside accumulation suggests decreased or deficient alpha-galactosidase activity. Follow-up testing with the specific enzyme assay is recommended: AGA/8785 Alpha-Galactosidase, Leukocytes and AGAS/8784 Alpha-Galactosidase, Serum.
Evidence of sulfatide accumulation suggests decreased or deficient arylsulfatase A activity. Follow-up testing with the specific enzyme assay is recommended: ARSAW/8779 Arylsulfatase A, Leukocytes; ARST/8778 Arylsulfatase A, Fibroblasts; and ARSU/8777 Arylsulfatase A, Urine.
Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.
See Fabry Disease Testing Algorithm in Special Instructions.
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
Thin-Layer Chromatography (TLC)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Aliases Lists additional common names for a test, as an aid in searching
Arylsulfatase A Deficiency
Ceramide Hexosides
Ceramide Trihexosidase
Ceramide Trihexosidase Deficiency
Cerebrosides
Diffuse Angiokeratoma
Fabry's Disease
GB3
GL3
Globotriaosylceramide
Lipid Survey
Metachromatic Leukodystrophy
Urinary Cell Debris
Urine Sediment
Fabry Disease
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