Blood Sciences Test


Phenylalanine

Specimen

Serum, lithium heparin or blood spot

Units

umol/L

Reference Range

21 – 133

Test Usage

Neonatal Screening. Monitoring women with Phenylketonuria during pregnancy.

Availability

Referred test

Turnaround Time

7 days

Cannot be added on to an existing request

Assayed By

Blood Spot assayed by the Southmead Hospital, Pathology Sciences.

Serum or lithium heparin for plasma amino acids assayed by the Chemical Pathology Dept. General Hospital, Southampton.

Specimen Labelling Procedure