Phenylalanine / Tyrosine
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 |
| 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 |
| Telepath | Blood spot phenylalanine/ tyrosine: PKUB1J |
