Test directory: Galactose-1 Phosphate, RBC

Ordering Code 5278
Test Name Galactose-1 Phosphate, RBC
Preferred Specimen Whole Blood
Preferred Container EDTA, K2 (Lavender)
Other Specimen/Container Whole Blood in Sodium Heparin (Green)
Optimum Volume 3.5 mL
Collection Instructions Completed Mayo Biochemical Genetics Patient form required

Specimens collected following a meal can exhibit postprandial elevations. For infants, collect a specimen immediately prior to feeding to avoid this.
Transport Requirements Oahu: Refrigerated
Airline: Refrigerated
Specimen Stability Ambient: Not Stable
Refrigerated: 72 Hours
Frozen: Not Stable
Rejection Criteria Ambient, Frozen, Grossly hemolyzed
Avail. Stat NO
Analytic Time 11 Days
Maximum Laboratory Time: 18 Days
Methodology Liquid Chromatography-Tandem Mass Spectrometry(LC-MS/MS)
Reference Lab  Mayo Medical Lab

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Galactose-1 Phosphate, RBC ALL mg/dL

Reference ...
Reference Range:
Normal Range          < or = 0.9 mg/dL
Therapeutic Range     < or = 4.9 mg/dL
 
Additional Information:
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
 
This test was developed and its performance characteristics
determined by Mayo Clinic in a manner consistent with CLIA
requirements.  This test has not been cleared or approved
by the U.S. Food and Drug Administration.
See report.
Note1

Note1:


Reference Range:
Normal Range          < or = 0.9 mg/dL
Therapeutic Range     < or = 4.9 mg/dL
 
Additional Information:
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
 
This test was developed and its performance characteristics
determined by Mayo Clinic in a manner consistent with CLIA
requirements.  This test has not been cleared or approved
by the U.S. Food and Drug Administration.
See report..