Galactose Quant, Plasma




Test Mnemonic

GALAC

CPT Codes

  • 82760 - QTY (1)

LOINC ®

2308-5

Aliases

  • Galactosemia

Performing Laboratory

Mayo Clinic Dpt of Lab Med & Pathology


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mLPlasmaSodium heparin (Green) FrozenCentrifuge and transfer plasma into a standard aliquot tube. Must submit the Biochemical Genetics Patient Information form.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.2 mL     

Stability

Environmental Condition Description
Ambient20 days
Refrigerated20 days
Frozen1 year

Days Performed

Varies

Turnaround Time

9 - 16 days

Methodology

Name Description
Spectrophotometry, Kinetic 

Reference Range

Galactose Quant, Plasma
Sex Age From Age To Type Range Range Unit
       < or = 7 days: < 5.4 mg/dL 
       8 - 14 days: < 3.6 mg/dL 
       > or = 15 days: < 2.0 mg/dL 

Special Info

The Biochemical Genetics Patient Information form is required for testing.

Clinical Info

Screening for galactosemia. Elevated plasma galactose values are found in individuals with galactosemia. This test is not recommended for follow-up of positive newborn screening results. This test is not appropriate for the diagnosis of galactosemia.