V
The Restriction root operation is identified by the character code V in the 3rd position of the procedure code. It is defined as Partially closing an orifice or the lumen of a tubular body part.
Section:
X = New Technology
Body System:
2 = Cardiovascular System
Root Operation:
A - AssistanceK - Bypass7 - DilationC - ExtirpationJ - InspectionR - Replacement