Test Overview
Test Methodology

LC-MS/MS

Test Usage

Monitoring dietary therapy of patients with galactosemia due to deficiency of galactose-1-phosphate uridyltransferase or uridine diphosphate galactose-4-epimerase.

Reference Range *

< or = 0.9 mg/dL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Thursday
Analytic Time

6 - 12 days

Soft Order Code
G1P
MiChart Code
Galactose-1-Phosphate, RBC (Sendout)
Synonyms
  • Galactose-1-Phosphate, Erythrocytes
Laboratory
Sendout Testing
Reference Laboratory
Mayo GAL1P (80337)
Section
Sendout Testing
Specimen Requirements
Collection Instructions

For infants, collect specimen immediately prior to feeding to avoid postprandial elevations. Collect blood in a lavender top tube. Send to Specimen Processing refrigerated

Normal Volume

3 mL whole blood

Minimum Volume

2 mL whole blood

Additional Information

Test sent to Mayo Medical Laboratories

Billing
CPT Code
84378
Fee Code
20052
NY State Approved
No