Yale New Haven Hospital

Department of Laboratory Medicine
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Phenylalanine/tyrosine

Lab Section: 

Sendout Reference

 

Lab Location: 

Sendout

Reference Lab: 

ARUP

 

Test ID: 

LAB3350

 

Methodology: 

Quantitative Liquid Chromatography/Tandem Mass Spectrometry

Schedule: 

Mon-Fri

Reported: 

8 days

Specimen Requirements: 

Collection: 3.0 mL Blood in a Green Top Tube - Sodium Heparin.
Pediatric volume: 1 mL.
Green (sodium or lithium heparin).
Transport: Frozen.
Unacceptable conditions: Hemolyzed specimens
Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month

 

Notes: 

Clinical Indications: Use for monitoring patients with an established diagnosis of phenylketonuria (PKU).

Reference Interval: 

See patient report or consult reference laboratory website.

http://ltd.aruplab.com/Tests/Pub/0080336

CPT Code(s): 

82131; 84510

Last Changed: 

8/28/2017 7:47:44

Last Reviewed: 

8/28/2017 7:47:52