American Chemical Society
This material should only be handled by qualified, licensed professionals
What to Expect During Treatment B12 injections are administered directly into the muscle, typically in the arm or thigh
More serious risks are uncommon, but its essential to work with a healthcare provider, especially if pregnancy or cancer is a concern
Medicare requires laboratory evidence of deficiency or a confirmed diagnosis such as pernicious anemia, a signed physician order specifying drug name, dose, route, and frequency, an administration record documenting the date, drug, dose, route, site, and administering clinician, and an ICD-10-CM diagnosis code on the claim that traces to a covered indication in the relevant MACs LCD.