I'm hoping someone can help me with this, I need to know what cpt code to use. The surgeon did a craniotomy for evacuation of a chronic subdural hematoma. He then did a closure of a ventriculoperitoneal shunt vie tie off of the peritoneal catheter in the retroauricular space. I know the code for the craniotomy but would you code for the VP shunt tie off? If so, what code would you use? I was thinking 62230 since it was just tied off and not removed but I am unsure. Thanks!