Billing And Coding: Outpatient Physical And Occupational Therapy Services. Home › Forums › Forum 2 › Billing And Coding: Outpatient Physical And Occupational Therapy Services. Tagged: 21 This topic has 0 replies, 1 voice, and was last updated 1 year, 2 months ago by merryttp0611986. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In