Question: Minnesota Subscriber Answer: When you're in this section of cerebrospinal fluid (CSF) shunt codes, don't miss CPT's notes regarding other types of shunt or catheter placement. For example, if Neurosurgery Coding Alert/ 2010, Vol. 11, No. 2 To subscribe, call (800) 508-2582 Page 15 your surgeon places an intracranial neuroendoscopic ventricular catheter, report +62160 (Neuroendoscopy, intracranial, for placement or replacement of ventricular catheter and attachment to shunt system or external drainage [List separately in addition to primary procedure]) with 62225.