Insulin

Send to lab immediately. Glucose result must be stated on referral form.
Hospital.
All Colchester & Ipswich samples: 7.5ml Brown Serum, Min vol: 1ml.
Colchester Refer*: Surrey, TAT: 1w. Ipswich Refer: Addenbrookes, TAT: 1w.
Non-fasting. No specific patient preparation required.