where do b12 injections go Vitamin Injections: What You Need To Know B12 Injections at Home -

Also, patients should be warned about the danger of taking folic acid in place of vitamin B 12, because the former may prevent anemia but allow progression of subacute combined degeneration

[PMC free article: PMC7106665] [PubMed: 32228659] 19

Failure to have these three things will result in the rejection of your selected ICD 10 code for Iron Deficiency by the payers

If you have a temporary deficiency or increased requirement (say, after a surgery or during recovery from an acute illness), you might only need a short course, perhaps a few weeks of injections, until your vitamin levels normalize or you can meet your needs by mouth again