The open approach allows surgeons to access and remove the tumor more effectively. Learn about documentation requirements and common coding pitfalls. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
00t70zz, or resection of cerebral hemisphere, open approach, may be performed in cases where a patient has a severe brain tumor that cannot be treated with less invasive methods. Brain tumor icd 10 code & classification guide this guide will provide detailed information on the specific codes used for brain tumor diagnoses, as well as the overall structure of the icd 10 classification system. The following surgical procedure of primary site codes are used when the primary site is meninges, brain, spinal cord, cranial nerves, or other parts of the cns.