In patients with Addisonian Pernicious Anemia, parenteral therapy with vitamin B12 is the recommended method of treatment and will be required for the remainder of the patients life
But if you report any other E/M code on the same day of service, and properly append modifier 25 Significant, separately identifiable evaluation and management service by the same physician or other qualified health care professional on the same day of the procedure or other service to indicate a significant, separately identifiable E/M service was provided, the claim may be paid
However, reimbursement depends on medical necessity, documentation quality, payer policies, and NCCI edit compliance
Vitamin B12 shots are usually 1000 mcg/mL
Any enlightenment will be GREAT
Always talk to a healthcare provider about your specific situation