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Test Directory


Galactose 1 Phosphate

Order Name GAL1PHOS
Test Number: 3703875
Revision Date 10/25/2017
Test Name Methodology LOINC Code
Galactose-1-phosphate (mg/dL)
Quantitative Gas Chromatography-Mass Spectrometry 2312-7 
Galactose-1-phosphate (ug/g Hb)
Quantitative Gas Chromatography-Mass Spectrometry 33360-9 
Galactose-1-phosphate (umol/g Hb)
Quantitative Gas Chromatography-Mass Spectrometry 38485-9 
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 5 mL (2) Whole Blood Sodium Heparin (Green Top / No-Gel) Refrigerated
Alternate 1 5 mL (2) Whole Blood EDTA (Lavender Top) Refrigerated
Instructions Storage/Transport Temperature: Refrigerated. DO NOT FREEZE.
Place tube on wet ice immediately after collection. Transport 5 mL whole blood.
Unacceptable Conditions: Frozen or room temperature specimens.
Stability: Ambient: Unacceptable; Refrigerated: 72 hours; Frozen: Unacceptable
Testing Schedule Tue 
Expected TAT 3-10 Days  
Clinical Use Confirmatory test used in determining Galactosemia, a hereditary autosomal recessive disorder. 
Notes Reference Lab: ARUP
Test Code: 81296
Click Here to view information on the ARUP website.
CPT Code(s) 84378
Lab Section Reference Lab