Lab Test : Tyrosine, Plasma

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Alternate:N/A
Includes:N/A
Department:Biochemical Genetics Lab
Phone:(937) 641-3262
SQ Code:TYRP
Available:Lab open M-F 7:30a-4:00p. Specimens accepted daily, 24 hrs. Specimens batched and test run as needed.
Turnaround:Routine 4 days; STAT 24 hours
Specimen:Blood
Volume:0.5 mL
Container:Sodium heparin preferred, lithium heparin accepted
Temperature:Give specimen to send-out tech (1st shift) or core lab tech (2nd/3rd shift, weekends, holidays). Spin, remove and freeze plasma at -20 degrees C. Specimen should not be left at room temperature for more than 2 hours.
Rejection:Specimens should be as fresh as possible and processed immediately. All samples will be run. Sub-optimal handling is noted in report.
Normal:0 - 1 month 55 - 147 umol/L; 1 month - 2 months 22 - 108 umol/L; 2 months - 18 years 24 - 115 umol/L; 18 years + 34 - 112 umol/L
Uses:To monitor tyrosine levels in patients with PKU.
Limitations:Protein intake may affect tyrosine levels.
Method:HPLC
 

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