B 12 Compliance Injection: Package Insert Prescribing Info When coding for trigger point injections, the documentation must include the site of the injection, the total number of injections and the number of muscles involved. There are two CPT codes Does Procedure J3420 Require Prior Authorization? CPT Code 99211: Billing Guidelines And Reimbursement Rates Cyanocobalamin 1,000 mcg mL Injection 30 mL McKesson The Most Common HCPCS CPT Codes in Urgent Care