Specimen Requirements

Title

VITAMIN B12 BINDING CAPACITY, UNSATURATED

Specimen Requirement

1-SST/1mL serum. Spin, separate and send refrigerated.

 

Methodology

Stability

Room Temperature or Refrigerated 4 days, Frozen 30 days

Reference Range

By Report*

Turnaround

1 day Setup Tues, Thurs PM

Clinical Use

Differential diagnosis of polycythemia vera from secondary/relative polycythemias; evaluate macrocytic/megaloblastic anemia; diagnose congenital absence of transcobalamin II or cobalophilin (transcobalamin I and III)

Test Code

VB12B