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Last updated: April 2026 | All products for laboratory research use only
Most people start with a loading phase, typically one injection per week for 4 to 6 weeks
However, if you have a low B12 level or a vitamin B12 deficiency, it can cause physical, neurological, and psychological problems
## **HCPCS code Q5121 documentation requirements** The billing requirements for HCPCS code Q5121 (injection of infliximab-axxq, biosimilar Avsola, 10 mg) include the following key points: - Report HCPCS Q5121 to document the administration of infliximab-axxq in 10 mg units
B12 injections bypass digestion entirely and deliver the vitamin directly into your bloodstream resulting in faster, more reliable results
Brief exposure to room temperature is usually fine, but extended warm-storage shortens shelf life
