Tyrosine, Plasma
Ordering Recommendation
Use for monitoring patients with an established diagnosis of tyrosinemia.
New York DOH Approval Status
Specimen Required
Green (sodium or lithium heparin).
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)
Frozen.
Hemolyzed specimens.
After separation from cells: Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month
Methodology
Liquid Chromatography-Tandem Mass Spectrometry
Performed
Sun-Sat
Reported
2-5 days
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.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
84510
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0080355 | Tyrosine, Plasma | 20660-7 |
Aliases
- Plasma tyrosine