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Phenylalanine and Tyrosine

CPT Code(s): 82131; 84510
Specimen Required: Patient Preparation:
Collect:Green (sodium or lithium heparin).
Specimen Preparation:Transfer 0.5 mL plasma to an RDL Standard Transport Tube. (Min: 0.25 mL)
Storage/Transport Temperature:Frozen.
Stability:After separation from cells: Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • PKUTyrosine
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