arm hurts after b12 injection What happens if you inject wrong? Why do I feel worse

This was observed in additional research

Refrigeration is recommended

In the CY 2024 OPPS/ASC final rule with comment period, based on hospital statements that many hospitals could not calculate a payer-specific negotiated charge as their payer-specific negotiated charge was based on a percentage of billed charges or based on a formula or algorithm that may be determined after the episode of care, we finalized new data elements, the payer-specific negotiated charge percentage and the payer-specific negotiated charge algorithm, to provide MRF users with an understanding of how the payer-specific negotiated charge was calculated, and a contextual data element, the estimated allowed amount, which is a dollar amount reflecting the average of the historical reimbursement (allowed amount) received from a third party payer for an item or service, required to be displayed when no payer-specific negotiated charge dollar can be encoded

They evaluate how this formulation may influence pathways associated with energy utilization and metabolic adaptation