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Background: Case-based Interprofessional Education (IPE) can help students practise their roles and responsibilities. To construct these cases, input from experts in clinical practice is essential. Consensus between these experts can be facilitated using consensus methods. In this study, a geriatric focus for the cases was chosen because of the interprofessional nature of geriatrics and the ageing population in healthcare facilities. Methods: By combining the 3 most commonly used consensus methods, we developed a 6-step approach to validate cases for IPE. The 6 steps include 3 expert rounds (Steps 1, 3 and 5) and 2 rounds in which discussion points were formulated by the researcher (Steps 2 and 4). The cases were piloted with students as Step 6. Four facets of a case were included: the patient description, the complemented treatment plan, the difficulty of the case and the scoring of the treatment plan. Our educational setting required constructing 4 cases with increasing difficulty. Results: Step 1: 5 typical geriatric cases were assembled. Step 2: Similar characteristics were defined; 5 cases were merged into 4. The 4 cases showed increasing difficulty levels. Step 3: The constructed cases were validated for patient description authenticity, treatment plan adequacy, difficulty and scoring of the treatment plan. Step 4: The items for further discussion were defined. Step 5: Consensus was reached for all 4 cases through a face-to-face discussion. Step 6: The student pilot for Case 1 showed no significant adjustments. Conclusion: We developed a 6-step consensus method to validate cases for IPE, and we constructed 4 geriatric cases based on this method. While consensus about the patient descriptions and difficulty levels was reached easily, consensus on the treatment plans was more difficult to achieve. Validation of the scoring of the treatment plan was unsuccessful. Further research on this will be conducted.