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## **Billing requirements** When billing HCPCS code J3420 (Vitamin B12 injection), healthcare professionals must document medical necessity in the patients medical record

Just a preloaded, injectable pen safe, effective, and physician-supervised

Studies have examined its effects on tendon-to-bone healing, ligament repair, and collagen organisation in pre-clinical injury models making it a central compound for laboratories studying connective tissue regeneration

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The research community deserves better information than vague suggestions to store cold and hope for the best