CPT® Code 61313

A supratentorial craniectomy or craniotomy is a surgical procedure performed to evacuate an intracerebral hematoma, which is a collection of blood within the brain tissue itself, typically resulting from the rupture of an artery. The term "supratentorial" refers to the area of the brain located above the tentorium cerebelli, a membrane that separates the cerebrum from the cerebellum. This procedure is critical in managing conditions where there is significant bleeding within the brain, as it allows for direct access to the hematoma for removal. The surgical approach may involve either a craniectomy, where a portion of the skull is removed, or a craniotomy, where the skull is temporarily lifted to access the brain. The goal of the procedure is to alleviate pressure on the brain, restore normal blood flow, and prevent further neurological damage. The operation requires careful handling of the brain tissue and surrounding structures to minimize complications and ensure optimal recovery for the patient.