Includes clinical validation requirements, documentation requirements, and coding pitfalls. 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. The code is valid during the current fiscal year for the.
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. Learn about documentation requirements and common coding pitfalls. Z85.841 is a billable diagnosis code used to specify a medical diagnosis of personal history of malignant neoplasm of brain.