Vitamin A (Retinol)


Must be a separate sample. Send to laboratory immediately. Protect from light.
Hospital sample collection. Minimum volume: 2ml.
Ipswich- 7.5ml Lithium Heparin (orange top) Trace Metal - Colchester 7.5ml Brown
NON GEL
Referral Colchester: London, 14d TAT. Ipswich Request: Glasgow, 14d TAT.