PHENYALANINE AND TYROSINE LEVEL, DBS

Synonyms: PHY and TY; PHE and TYE on Dried Spot Card; PHE and TYE on filter paper
Computer Code: (PHYT)
Specimen Collection: 5 completely saturated dried blood spots on a newborn screen spot card/filter paper. Genetic consent required (See Test Requisitions and Consents #6)
Minimum Volume: 2 spots
Handling Instructions for Offsite Areas: Maintain card at room temperature. Min. 2 spots. Transport specimen at room temperature.
Reference Values: See reference laboratory report.
Lab Code: CC REF
Requisition: SPEC C
Test Frequency: NA
Routine TAT: 7 days
Stat TAT: N/A
CPT Code(s): 80500, 82136
LCD or NCD:
Methodology Used:
See Addendum XVII