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Test Name:
Phenylalanine and Tyrosine, Whole Blood
- SBMF No:
45387 - Performance Lab Name:
IU Newborn Screening Lab - Test Mnemonic:
PKU AD PNL - ABN:
Not required - CPT Code:
84030; 84510 - LOINC Code:
19146-0 - Test Includes:
Phenylalanine
Tyrosine
Phenylalanine/Tyrosine Ratio - Also Known As:
Adult PKU Panel
PKU monitoring - Also See:
45386 Phenylalanine and Tyrosine, Plasma - Spec Type:
Whole blood drops - Spec Container:
Specialized filter paper collection card (Newborn Screening card) - Pref Vol:
Five (5) 13.0 mm circles saturated with whole blood - Min Vol:
Three (3) 13.0 mm circles saturated with whole blood - Fasting:
No - Spec Process:
Air-dry collection card on a dry, clean, flat, non-absorbent surface for a minimum of four (4) hours
Maintain in horizontal position during drying - Spec Store Transport:
Room temperature
Transport within 24 hours of collection - Spec Reject:
Inadequately saturated filter paper sample
Contaminated sample - Use:
This test is designed to monitor treatment and compliance in PKU patients - Reference Range:
- Report includes:
- Phenylalanine MG/DL
Phenylalanine uMol/L
Tyrosine MG/DL
Tyrosine uMol/L
Phenylalanine/Tyrosine Ratio - NOTE: Report does not include reference ranges
- Day Run:
Varies - Time Reported:
Varies - Test Type:
CHEMISTRY
