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Phenylalanine and Tyrosine

Centralized Core Laboratory : Chemistry

Test ID/Workstation :
PATY NWCH
Specimen Type:
Blood
Tube Type:
Blood Spot Card only
Collection Volume:
Filter paper must be saturated
Cause for Rejection:
Blood Spot card where filter paper is not saturated with blood. DO NOT USE STATE SCREEN CARD
Storage:
Ambient
Availability:
Sent to Reference Laboratory
Special Instructions:
Do not allow capillary tube or patient heel to touch the collection card. Allow sample to air dry for 3 hours before sending to laboratory. Filter paper on Blood Spot card must be saturated with blood. For Outpatients, test should only be drawn in outpatient locations within a Hospital (Akron or Beeghly).
Lab/Phone:
330-543-8418
TAT:
3 days
Additional Info:
Reference range: Phenylalanine: 0.7-3.0 mg/dL; Tyrosine:0-30 days: 42-99 umolL; 1month-15years: 29-86 umol/L; >16years: 21-87 umol/L
CPT Code:
84030, 84510