The doctor did an exploration of the previous craniotomy. Per op report, he found a large spinal fluid collection under the timporal fascia and because the dura consistency was very friable and not able to hold suture he made a closure w/ DuraSeal sugical glue. I need help w/ CPT code. It was not a skull base, so code 61618 will not work. Also it was not spinal, so I don't think code 63707 will work.