This test is used for the monitoring of patients with phenylketonuria (PKU) and tyrosinaemia.
Tube
Bloodspots on a neonatal screening card for monitoring of PKU / tyrosinaemia patients otherwise please send lithium heparin sample.
ID
29979
Availability
Weekdays.
Turn Around
7 days. Please contact the Biochemical Genetics laboratory for enquiries regarding urgent samples (0113 2064256).
Send to
Specialist Laboratory Medicine
Block 46
St James hospital
Beckett Street
Leeds
LS9 7TF
Contact
For further details please contact Leeds Pathology customer services: [email protected].
Collection Con
Minimum volume: Ideally 2 full spots
Instructions for lab: Send to Block 46. If storage required (overnight or over the weekend) store dried blood spot card at room temperature.
Please discuss with Biochemical Genetics lab prior to rejecting any samples.
Frequency
Analysis performed on Tuesday and Thursday.
Sample REQ
Dried blood spots. If a full amino acid profile is required please send a lithium heparin blood sample for amino acid analysis.
Ref. Range Notes
Contact the appropriate clinical metabolic team for advice on interpretation.
Units
µmol/L