ICD-10-PCS Root Operation 7
Medical and Surgical, Ear, Nose, Sinus, Dilation

The Dilation root operation is identified by the character code 7 in the 3^rd position of the procedure code. It is defined as Expanding an orifice or the lumen of a tubular body part. The orifice can be a natural orifice or an artificially created orifice. Accomplished by stretching a tubular body part using intraluminal pressure or by cutting part of the orifice or wall of the tubular body part.

Includes:

• Percutaneous transluminal angioplasty, internal urethrotomy