Specimen Requirements
Title
Vitamin B12 Binding Capacity, Unsaturated ***Discontinued***
Specimen Requirement
**** Testing discontinued effective 1/1/2024 ****
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)