injection vitamin b12 cyanocobalamin 500 mcg hcpcs 1,000 / mL 1 mL HCPCS Code J3420: Injection, Vitamin
HCPCS Code J3420: Injection, Vitamin B 12 (Cyanocobalamin), up to 1,000 mcg per Unit Cyanocobalamin (Vit B12) Injection for Pets VetRxDirect Cyanocobalamin (B12) Products American Regent CYANOCOBALAMIN INJECTION, USP Compounded Methylcobalamin (Vitamin B12) Injection, 5mg mL
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