Discussing a patient's health problem in an elevator, even if it is restricted to employee use only, is not acceptable under the Health Insurance Portability and Accountability Act (HIPAA) regulations. HIPAA requires that patient information be kept confidential and only shared in private settings where unauthorized individuals cannot overhear the conversation. An elevator, even if restricted to employees, is not considered a private setting, and there is a risk that unauthorized individuals could overhear the conversation. Therefore, it is not acceptable to discuss patient information in such a setting.