vitamin B12 binding capacity

Indications

• vitamin B12 deficiency

Clinical significance

• measures unsaturated binding capacity of serum for vitamin B12
• it is a surrogate test for transcobalamin-1, the major serum vitamin B12-binding protein. Not FDA approved.

More general terms

• special chemistry test

Additional terms

• transcobalamin-1; TC-1; transcobalamin I; cobalophilin R; R-binder; TC I; TCI (TCN1 TC1)
• vitamin B12 deficiency
• vitamin B12; cobalamin