Copeptin
Clinical Biochemistry
Sample and container requirements
Serum Lithium Heparin Plasma (paediatrics only)
Minimum volume required
1 mL blood
Special requirements
Copeptin measurements are of most value when taken under an osmotic stimulus. Please include clinical details and concurrent osmolality results with all requests.
Patient preparation
Copeptin measurements are of most value when taken under an osmotic stimulus. Please include clinical details and concurrent osmolality results with all requests.
Sample viability
Turnaround time
28 days
Reference range
Please refer to report for reference ranges.
Clinical guidance
Please follow the link below to the referral laboratory website for more information: https://laboratories.newcastle-hospitals.nhs.uk/test-directory/copeptin/
Notes
Sent to Newcastle Royal Victoria Infirmary
Images to go here
This information was last updated on 19 August 2026