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
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Plasma | Sodium heparin (Green) | Frozen | Centrifuge 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 |
|---|---|
| Ambient | 20 days |
| Refrigerated | 20 days |
| Frozen | 1 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.