Skip to main content

Recommended

Services

    PI Leaflets

      Pages

        No results found.

        Pathology tests database

        Back to Clinical Biochemistry

        Active B12

        Clinical Biochemistry

        Sample and container requirements

        Serum SST

        Minimum volume required

        500 μL serum

        Special requirements

        Separated serum can be sent by first class post.

        Patient preparation

        None

        Sample viability

        Turnaround time

        7 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://synlab.co.uk/test-database/active-b12-holotc/

        Notes

        Sent to Synnovis (Nutristasis Unit at Blackfriars Hub)

        Images to go here

        This information was last updated on 19 August 2026