VetOne Cyanocobalamin Vitamin B 12 Sterile Solution, 1,000 mcg mL, 100 mL 100 mL Vitamin B12 Monthly Injection Dose: Typical Dosages & Administration Methods Liv Hospital Injection and Infusion Coding: What You NEED to Know! Not all injections are created equal and in the CPT Medicine section, the difference between an IV infusion, an IM injection, Vitamin B Complex: Package Insert Prescribing Information