Can someone confirm that my answer is actually correct? Dx codes should be correct since the pain is unrelated to cancer. 3 muscles are being injected, trigger point code is 20553 J1010 Private Vitamin B12 Injections in Swindon, Wiltshire Pureskin Clinic Injection and Infusion Coding: What You NEED to Know! Not all injections are created equal and in the CPT Medicine section, the difference between an IV infusion, an IM injection, B12 Injection Frequency: How Often Should You Get a B12 Shot? Liv Hospital