Item Value
Test name Phenylalanine
Available Stat? No
Turn around times Set up 5x per week Turnaround time: 2-4 days
Performed by Quest
Patient Preparation Fasting for 4 hours prior to sample collection is recommended.
Normal range
≤ 30 days 30-79 µmol/L
31 days-23 months 31-92 µmol/L
2-18 years 38-86 µmol/L
> 18 years 40-74 µmol/L
Container type Dark Green top
Amount to Collect 4 mL blood
Sample type Heparinized plasma

If you have additional questions regarding this test, please call: 415-353-1667