8 - 15 days
Test Updated:
Galactose-1-Phosphate, Erythrocytes
GAL1P
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Test Overview
LC-MS/MS
Monitoring dietary therapy of patients with galactosemia due to deficiency of galactose-1-phosphate uridyltransferase or uridine diphosphate galactose-4-epimerase.
< or = 0.9 mg/dL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
For infants, collect specimen immediately prior to feeding to avoid postprandial elevations. Collect blood in a lavender top tube. Send to Specimen Processing refrigerated