#2. Mary Decker, a 4-year-old who is covered under the CHIP program, presents to her pediatrician for her annual well-child check and immunizations. Is prior authorization required for the immunizations? Reason: #3: Scenario: Ethel Ramsey, a Medica:id recipient, has been diagnosed with chronic kidney disease and will require hemodialysis. Is prior authorization required for hemodialysis to begin? 3. Reason #4: Scenario: A cancer patient, covered by Medicaid, has acquired a Stage III pressure ulcer following her hospital admission. Is prior authorization required for treatment of the pressure ulcer? 4. Reason:.