AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 2; Ask the Editor
Ommaya Reservoir with Ventricular Catheter Placement
A patient with a history of acute myeloblastic leukemia presented with an intracranial recurrence. An Ommaya reservoir with ventricular catheter was placed for the intrathecal delivery of medication. A previous twist drill hole in the skull was expanded around the Ommaya reservoir and was able to fit into a bony pocket but the inner cortical bone was not expanded beyond the twist drill hole. Next, a ventricular catheter was attached to the reservoir and the other end was navigated via the drill hole into the foramen of Monro. What is the appropriate ICD-10-PCS code for insertion of an Ommaya reservoir intra-cranially for delivery of medication? ...
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Article Overview
This premium coding article reviews an ICD-10-PCS inpatient procedure scenario involving intracranial placement of an Ommaya reservoir with ventricular catheter for medication delivery. It is intended for coders and CDI staff working with neurologic, oncologic, and neurosurgical procedures. The article focuses on how to interpret the operative scenario, identify the relevant ICD-10-PCS coding concept, and understand the procedure-specific considerations involved.
Why This Topic Matters
Accurate reporting of complex intracranial device procedures depends on correctly understanding the operative approach and device placement context. This topic is relevant to inpatient facility coding, audit readiness, and consistent abstraction of neurosurgical procedures.
What You Will Learn
- How the procedure context is framed for ICD-10-PCS assignment
- What aspects of the operative scenario are relevant to inpatient procedure coding
- How the article approaches device placement for intracranial medication delivery
- General considerations for coding neurosurgical implant procedures
Who Should Read This
- Inpatient coders
- Coding auditors
- Clinical documentation integrity specialists
- Neurosurgery coders
- Oncology coders
Codes Discussed
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