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