Sample type: Blood spot

Test name: Biopterins a.k.a. Dihydropteridine reductase, DHPR

Condition / Indication: Hyperphenylalaninaemia

Special precautions & notes: Please discuss request with Biochemical Genetics laboratory  (0117 4148346)

Reference range: Reference range quoted on report provided by referral laboratory.

Container: Bloodspots on a newborn screening card

Ideal volume (mL): 6x Spots

Referred outside NBT for analysis? Yes

Discipline: Clinical Biochemistry

Section: Metabolic Biochemistry

Turnaround time: 28 days

Referral location: Department of Newborn Screening Biochemical Genetics, The Birmingham Children's Hospital NHS Trust, Steelhouse Lane, Birmingham, B4 6NH