Pathology Handbook

New search

Alternative Names:

B12

Laboratory:

Clinical Biochemistry

Test Code:

B12

Specimen Types:

Blood

Container Types:

SST

Collection & Request Instructions:

B12 results should be interpreted in the clinical context and in the light of other results available; e.g. FBE and Blood Film.

Only a minority of patients with B12 levels between 130-250 pmol/L will exhibit true deficiency.

A normal value does not exclude deficiency if there is a high index of suspicion clinically.

Transport Instructions between Sites and/or Laboratories:

Room Temperature

Assay Frequency:

Daily

Additional Notes:

Reference Range: 138—652 pmol/L

Ref Range Source: Abbott Alinity kit insert G71350R01, Dec 2017

Method:Abbott Alinity (CMIA).