b12 nasal spray vs. injection

HCPCS Code J3420: Injection, Vitamin B-12 (Cyanocobalamin), up to 1,000 mcg per Unit https://cpimg.tistatic.com/04366798/b/6/Vitamin-B-Complex-With-Vitamin-B12-Complex-Injection.jpg How Many?:5 Pack 250 ml Cattle, camels, goats, sheep: 1 ml per 25 - 30 kg of body weight

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