Tyrosine, Plasma

0080355
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Example Reports
Abnormal
Normal
Ordering Recommendation

Use for monitoring patients with an established diagnosis of tyrosinemia.

Mnemonic
TYRO
Methodology

Quantitative Liquid Chromatography/Tandem Mass Spectrometry

Performed

Mon-Fri

Reported

2-5 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Green (sodium or lithium heparin).

Specimen Preparation

Separate plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL plasma to an ARUP Standard Transport Tube. (Min: 0.25 mL)

Storage/Transport Temperature

Frozen.

Unacceptable Conditions

Hemolyzed specimens.

Remarks
Stability

After separation from cells: Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month

Reference Interval

Effective November 18, 2019

Age Reference Interval
0-30 days 30-140 µmol/L
1-11 months 30-130 µmol/L
1 year and older 35-110 µmol/L

Interpretive Data

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
11/18/2019
X
N/A
CPT Codes

84510

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Components
Component Test Code* Component Chart Name LOINC
0080355 Tyrosine, Plasma 20660-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Plasma tyrosine
Tyrosine, Plasma