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