As of January 1, 2006; changes were made regarding therapeutic and antibiotic injections medical billing claims that will affect your medical billing claims if you don’t update your filing methods. In the past there were separate injection administration codes for a therapeutic, prophylactic, diagnostic injection and an antibiotic injection. Instead of choosing to report administration of a prophylactic Synagis treatment (90378) with a 90782 (Therapeutic, prophylactic or diagnostic injection , you now simply use 90772 as a universal injection code. On E/M coding, you will generally still need to attach modifier 25 to insure you’re your claim is handled. Modifier 25 states that this procedure or other service was performed …