Neurosurgery Coding Alert

Question: The diagnosis in the clinical note is as under:Right parafalcine 4 cm mass Mass invading the mid superior sagittal sinus, from the right side, with the findings of benign meningioma based on falx and superior sagittal sinus.Procedure performed:Bicoronal craniotomy with gross total resection of right falcine meningioma, including resection from superior sagittal sinus, resection from the falx, and removal from the surface of the medial cortex of the posterior frontal lobe, right brain.Findings:Soft, benign appearing right falcine meningioma in the right posterior frontal premotor area attached to the falx and to the undersurface of the superior sagittal sinus. Measuring a little greater than 4 cm in each direction, it was grossly resected using microscopic visualization, suction and electrocautery and appeared to have its major blood supply from the falx and from the superior sagittal sinus. It separated very easily from the brain and was lightly adherent to the brain [...]