What does the term "ancillary services" refer to in healthcare coding?

The term "ancillary services" in healthcare coding refers to additional services that support the primary care. These services are not the primary treatment but play a crucial role in the overall patient care process. They can include diagnostic tests like laboratory work, imaging services such as X-rays and MRIs, physical therapy, and other support services that aid in the diagnosis, treatment, or management of a patient's condition.

By understanding ancillary services, healthcare providers can ensure that patients receive comprehensive care, and accurate coding for these services allows for proper reimbursement and documentation. This distinction is essential because it underscores the multi-faceted approach to healthcare, where primary care is supported by various ancillary services that enhance the overall effectiveness of treatment and patient outcomes.