10 mL (7.5 mL min.) whole blood from 3 Lavender Top (EDTA) tubes OR 10 mL (7.5 mL min.) whole blood from 3 Green Top (Sodium Heparin) tubes. Ship refrigerated. DO NOT FREEZE. Provide brief clinical history.
Sample Daily by 4 pm; Report 4 days
Metachromatic leucodystrophy is a group of autosomal recessive disorders affecting mainly white matter of the brain, leading to accumulation of sulphatides in the nerve cells.