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CPT 61107: Burr-Hole Cranial Access for Intracranial Drainage/Monitoring
CPT code 61107 denotes a burr-hole cranial access procedure using a hand-operated twist drill to reach intracerebral spaces, subdural/subarachnoid regions below the dura, or the ventricular system. It is commonly performed to remove intracranial fluid, place drainage catheters, or implant pressure-monitoring devices and is a critical intervention in acute neurosurgical care. Nationally, this code represents an essential, time-sensitive service tied to emergency and inpatient neurosurgical workflows.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The content outlines the clinical context and common sites of service and is relevant to hospital billing departments, neurosurgeons, and health plan policy teams.
Readers will find a concise explanation of what the code represents, how it is used clinically, and what to expect in billing practice. The publication provides benchmarks where available, notes of common modifiers and associated administrative considerations, and summarizes the clinical scenarios that typically generate use of the code. Data not available in the input is noted explicitly where applicable.
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Billing Code Overview
CPT code 61107 describes a neurosurgical procedure in which a hand-operated twist drill is used to create one or more small openings in the skull to access the intracerebral space, the area beneath the dura, or the ventricular system. The procedure is performed to insert a needle for fluid removal, to place a drainage catheter, or to implant a pressure or other monitoring device to measure intracranial pressure.
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Service type: Neurosurgical cranial access for intracranial fluid management and monitoring
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Typical site of service: Operating room or procedure suite in an acute care hospital setting, including inpatient and emergency department contexts where intracranial access and monitoring are required.