C Peptide


Send to lab immediately. Colchester request include glucose result from time of sampling if available - Ipswich Samples must have insulin requested also.
Hospital.
All Colchester & Ipswich samples: 7.5ml Brown Serum plus 4.9ml Yellow Fluoride EDTA if Glucose requested.
Colchester Refer: Surrey, TAT: 7d. Ipswich Refer: Addenbrooke's, TAT: 14d.
Fasting if Glucose sample sent