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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