Tertiary care refers to specialized medical care provided by health professionals who are experts in a specific field or specialty. This level of care is often needed for complex, serious, or rare medical conditions that require a high level of expertise, advanced technology, and specialized facilities. Tertiary care typically takes place in hospitals or medical centers that have the resources and capabilities to treat patients with the most challenging health problems. Examples of tertiary care include organ transplants, neurosurgery, cancer treatment, and pediatric intensive care.