billing code for b12 injection 70756063525 CPT Code 96372 Guide –
Description
AOD-9604: A Fragment of Growth Hormone with Lipolytic Effects
Because of this and its involvement in the nervous system, Vitamin B12 can improve cognitive function, concentration and reaction time

Contra-indications: Administration to animals with vitamin deficiency

And Methylcobalamin, being the form your body actually uses, is simply the smarter way to fix it
