Evaluation and management (E/M) in the medical field refer to the processes involved in assessing a patient’s condition, determining an appropriate treatment plan, and providing ongoing care. This comprehensive approach encompasses various healthcare services, such as history-taking, physical examinations, medical decision-making, and patient counseling. E/M codes are used to categorize the complexity and level of care provided, guiding healthcare practitioners in documenting and billing for their services accurately. Proper E/M coding ensures that patients receive the appropriate care, healthcare providers are fairly reimbursed, and medical records accurately reflect the patient’s medical history and treatment journey. As of my last knowledge update in September 2021, E/M guidelines were undergoing significant changes, emphasizing medical decision-making as a key factor in code selection. It’s important to verify any updates beyond that date to ensure accurate and up-to-date information.