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Tyrosine, Plasma
0080355
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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
Compliance Category
Laboratory Developed Test (LDT)
Note
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
N/A
CPT Codes
84510
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
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