hcpcs code for b12 injection medicare cpt Bacteriostatic Water Injection HCPCS Code J1815: Injection, Insulin,

Intramuscular (into the muscle)

Studies have found that NNMT expression is significantly elevated in the fat tissue of obese individuals compared to lean controls

If you are alone, the outer- anterior thigh is likely the easiest way to administer the injection but may cause more discomfort than the upper buttocks

A deficiency or lack of Vitamin B12 is quite common in the over 65s, those diagnosed with pernicious anaemia, and in anyone who follows a vegan, strict vegetarian, or extreme/fad/restricted diet for a long time without taking a B12 supplement or eating fortified foods

I think we can safely say the overwhelming answer would be (b)