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Genetic Labs

Houston, Texas

Genetic Laboratory
Baylor Genetics Laboratories
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Medical Genetics Test Details

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Phenylalanine Determination - Plasma
Test Information: This test provides quantitative analysis of Tyrosine and Phenylalanine in Plasma.

This test is useful for the diagnosis and management of patients with PKU.
Test Details
Test Code: 4110
Special Notes: Tyrosine and Phenylalanine levels can be detected in Amino Acid Analysis in Plasma (#4100).
Technical Information
Methodology: HPLC with Ninhydrin Reaction
Test Type: Analyte Analysis
References Values or Ranges: Normal Range for:
Tyrosine: 41-81 micromoles/liter (0.75 - 1.5 mg%)
Phenylalanine: 30-86 micromoles/liter (0.50 - 1.3 mg%)
Sample & Shipping Information
Test Requisition: Biochemical
Specimen Type: Plasma
Requirements: Draw blood in a Sodium Heparin (green-top) tube(s) and separate as soon as possible. Send 1-2 cc of plasma. Store the specimen frozen at -20C. Specimen may be stored frozen for up to 7 days.
Shipping Conditions: Ship frozen on 3-5 lbs of dry ice in an insulated container by overnight courier.

Turn Around Time: 4 days
Billing Information
List Price: *For Insurance or Institutional Prices, please call.
CPT Codes: 84030 x 1, 84510 x 1

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