Arylsulfatase A Deficiency

Test ID: 

706009

CPT code:

82657

Synonyms:

ASA Deficiency
Metachromatic Leukodystrophy (MLD)
MLD

Clinical Use:

Diagnose patient with metachromatic leukodystrophy (MLD)

Specimen Type:

Whole blood

Requested Volume: 

15 mL

Minimum Volume: 

10 mL

Container Type: 

Yellow-top (ACD) tube

Collection:

Refrigerate after collection. Transport to the testing facility using cool pack. Do not allow sample to freeze. Sample must arrive in the laboratory within four days of collection.

Storage Instructions:

Refrigerate

Stability Requirements:

Rejection Criteria

Quantity not sufficient for analysis; specimen frozen; specimen not received within four days of collection; incorrect specimen collection tube; gross hemolysis; unable to isolate white blood cells