Sample type: Serum

Test name: Vitamin A

Reference range: Up to 4yrs: 0.5 - 1.6 umol/L, 4-18yrs: 0.8 - 2.2 umol/L, 18+ yrs 1.1 - 3.4 umol/L.

Container: Serum (Gold top)

Alternative container: EDTA (Lavender top), or Li heparin (green top).

Ideal volume (mL): 2 mL

Referred outside NBT for analysis? Yes

Discipline: Clinical Biochemistry

Turnaround time: 14 days

Referral location: Department of Clinical Biochemistry, Level 8, Bristol Royal Infirmary, Marlborough Street, Bristol, BS2 8HW