Pathology

Test & Collection Guide

Holotranscobalamin

Ordering information:

Holotranscobalamin will be automatically added if serum Total B12 is <270 pmol/L. If the serum Total B12 is >270 pmol/L,Holotranscobalamin will not be done.

Alternate names:

Active B12

Laboratory:

Biochemistry

Test Code:

HOLOTC

Specimen types:

Serum

Container types:

Serum tube with gel

Collection Instructions:

Transport specimen at Room Temperature to lab

Please note that heparinised plasma IS NOT SUITABLE for this test. The only sample type which can be used is serum.

Minimum Adult Volume:

1 mL

Frequency:

Daily

Result Turnaround Time:

2 hours

Reference Interval:

38-188 pmol/L