CPT® Code 31515

A direct laryngoscopy with or without tracheoscopy is a medical procedure that allows a physician to visualize the larynx and trachea directly using a specialized instrument known as a laryngoscope. This procedure is primarily performed for the purpose of aspiration, which involves the removal of fluids or other substances from the larynx or trachea. The laryngoscope can be either rigid or flexible; the choice of scope depends on the specific clinical situation and the patient's needs. A flexible laryngoscope is typically inserted through the nostril and may be performed under local anesthesia, making it less invasive. In contrast, a rigid laryngoscope is inserted through the mouth and is usually conducted under general anesthesia, often in a surgical setting. During the procedure, the physician examines various anatomical structures, including the nasopharynx, oral cavity, oropharynx, hypopharynx, and larynx, for any signs of abnormalities such as lacerations, lesions, strictures, or other pathological conditions. If necessary, the laryngoscope may be advanced into the trachea for further examination. Following the visual assessment, the physician aspirates any fluid present in the larynx or trachea, which is then sent to a laboratory for analysis through separately reportable tests. This procedure is essential for diagnosing and managing various conditions affecting the airway and vocal structures.