Authorization Process. How to Complete the Medical Record Authorization Form.Download and print the most commonly requested prior authorization fax forms for procedures, physician administered drugs and pharmacy outpatient drugs. Steps to complete the Medication Authorization Form: Verify that all medications are properly labeled. To submit a medical prior authorization, login here and use the Prescription Drug Prior Authorization or Step Therapy Exception Request Form. Inpatient Authorizations, 866-724-5057, Inpatient Medicaid Prior Authorization Fax Form – English (PDF). Visit the links below to print the appropriate forms, fill them out in English or Spanish, and bring them with you to your appointment. Do not use for patient copies of or access to their medical records. Patients should go to kp.