CPT 78635: CSF Flow Study for Ventricular Assessment
Medicare pays $205 on average nationally for this procedure.
CPT code 78635 describes a diagnostic cerebrospinal fluid (CSF) flow imaging study used to assess ventricular size and CSF dynamics, most commonly performed to evaluate hydrocephalus; the service is an imaging diagnostic study typically performed in an outpatient radiology or pediatric specialty imaging setting and may involve neuroimaging techniques to visualize CSF flow and ventricular anatomy.
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