GALACTOSE - 1- PHOSPHATE, QUANTITATIVE,BLOOD
4 mL (2 mL min.) whole blood from 1 Green Top (Sodium Heparin) tube. Immerse specimen immediately in ice water. Ship refrigerated. DO NOT FREEZE. Clinical and drug history must accompany sample.
Sample Daily by 1 pm
Report 7th Day Evening
Sample must be kept cold as Galactose -1- phosphate levels fall upto 50% within 4 hours if kept at room temperature.