True or False: The root operation 'introduction' involves placing material inside a body cavity.

The root operation 'introduction' in the ICD-10-PCS coding system specifically refers to the act of placing a device, substance, or any other material into a body cavity or the lumen of a tubular structure. This is often used in procedures such as inserting a catheter, drainage tube, or implant.

In the context of the coding guidelines, the term 'introduction' indicates that the material is being brought into the body cavity without puncturing the skin or mucous membrane, which distinguishes it from other root operations that involve more invasive approaches. Therefore, stating that 'introduction' involves placing material inside a body cavity is accurate, making the true response valid. The intent behind this root operation is often for therapeutic, diagnostic, or procedural purposes, and it applies to several different types of interventions across various medical specialties.