Foot Neuropathy and Nerve Pain Support with Vitamin B12 Specialist Clinic Dr Foot Podiatry Clinic Ivy Grove Surgery : Self administration of B12 injection B12 Injections Modern Edge Acupuncture When to use CPT code for B12 injection Medical Coding Guide Vitamin B12 Deficiency Vitamin B12 deficiency happens when the body does not have enough vitamin B12. Vitamin B12 is important for making healthy red blood cells and keeping nerves