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Neurosurgery Coding Alert

ICP, EVD:

Same, but Different

Published on Wed Sep 23, 2009

The purpose of a ventricular catheter and ICP monitor can overlap, but they might also serve different intents. Both can measure intracranial pressure. Your surgeon might place an ICP bolt to measure pressure inside the head after a head injury or after brain surgery; he might place a ventricular catheter primarily for therapeutic drainage of excess intracranial cerebrospinal fluid (CSF). The fluid is monitored during external CSF drainage.
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