Vitamin B12 Injection Dosage for Adults: 7 Key Facts & Guidelines Liv Hospital VACCINE ADMINISTRATION: Know the Codes! Vaccine administration codes depend on route, age, and counseling not the vaccine product itself! 90460 Admin with counseling, <18 years (first or only Vitamin B12 Injection5000 mcg mL Injectable Sterile Solution Vitamin B 12 Injection for Animals, 3000 mcg mL, 100 mL Vial Prescription Medication for Pets CPT Code 99601: Home Infusion Specialty Drug Administration Per Visit (Up to 2 Hours) B12 6000 + B15 100ML GALLOS ROOSTERS, Aves Exp. 02 28 eBay