Arylsulfatase A deficiency, leukocytes-994

Test info

  
Arylsulfatase A deficiency, leukocytes
  
994
  
LAB994
  
MSO
  
ASA deficiency
Metachromatic leukodystrophy (MLD)
MLD
  

Diagnose patient with metachromatic leukodystrophy (MLD)

Specimen

  
ACD (A or B) whole blood
  

Yellow ACD (A or B)

 

  
15 mL
  
10 mL
  

Collect specimens Mo - Th only; sample must arrive in the laboratory within 4 days of collection.

  

Yellow ACD (A or B)

  

Refrigerated (strict) - 4 days

  
  • Quantity not sufficient (QNS) for analysis
  • Specimen frozen
  • Specimen not received at the performing laboratory within 4 days of collection
  • Incorrect specimen collection tube to isolate white blood cells

Performance

  
LabCorp RTP (402396): R-NX
  
As needed
  
7 - 10 days
  

Determination of enzymatic activity with p-nitrocatechol sulfate

Clinical and Interpretive info

  

25.0 - 90.0 nmol/hr/mg protein

Billing

  
82657
  
Result UNLOINC

Tracking

  
06/03/2019
  
06/03/2019