What is the correct code for the administration of one vaccine given intramuscularly for a child under eight years of age when the physician counsels the parents? In the CPT Index, look Pediatric Immunization and Coding Guide PDF Neurology Electroencephalography Cyanocobalamin Vitamin B12 Injection 1000 mcg Mountainside Medical CPT Code 20610: Joint Injection and Aspiration Billing Guide CPT Spotlight: 64483 & +64484 Let's break down lumbar sacral transforaminal epidural injections: 64483 Primary code for the first injection level (includes imaging guidance). +64484 Add on code Billing Guidelines for CPT Code 96372