Pre-certifications In Medical Billing In many cases, a rejected claim by a carrier is due to the pre-certification requirements not being met. Many times, procedures will need to be pre-certified by the carrier prior to services being rendered or the carrier simply will not honor the medical billing claim when it is filed. One way to cut down on your claim rejections, is to have your staff document when they call for a pre-cert when a patient needs a procedure performed.Have your staff fill out a pre-cert form and call about the procedure for the patient and get the date,time, phone number and extension and full name of whomever gave …