D51.2
BillableTranscobalamin II deficiency
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Low red blood cell count caused by a deficiency of transcobalamin II, a protein needed to transport and absorb vitamin B12.
Coding Tips
- •This is a rare genetic condition; ensure the diagnosis is confirmed by appropriate testing (B12 levels, genetic testing)
- •Document the genetic or congenital nature of this deficiency in the medical record
Code Hierarchy
└D51Vitamin B12 deficiency anemia└D51.2Transcobalamin II deficiency
└D51.2Transcobalamin II deficiency