00PT0KZ
Removal Spinal Meninges to No Qualifier with Nonautologous Tissue Substitute, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 0 Central Nervous System and Cranial Nerves |
| Operation | P Removal |
| Body Part | T Spinal Meninges |
| Approach | 0 Open |
| Device | K Nonautologous Tissue Substitute |
| Qualifier | Z No Qualifier |
Operation Definition
Taking out or off a device from a body part
Procedure Overview
This family covers taking out a device that was previously placed in the brain, spinal cord, or a cranial nerve, such as removing a deep brain stimulator lead, explanting an intrathecal pump catheter, or taking out a subdural monitoring grid once seizure data collection is complete. The device is taken out entirely and not replaced with a new one during the same procedure.
Devices are removed for many reasons: a temporary diagnostic device like a monitoring electrode has served its purpose, a permanent device like a stimulator lead has failed, become infected, or is no longer needed because symptoms have resolved or the patient chooses to discontinue therapy, or the device is being removed as the first step before a different device is implanted in a separate procedure.
Because many of these devices sit close to critical neural structures, removal can carry its own surgical risks, and the operative note typically documents the reason for removal along with confirmation that the device was fully extracted.
Anatomy & Axis Detail
Spinal Meninges
The spinal meninges are the layered membranes, dura, arachnoid, and pia, that envelop the spinal cord within the vertebral canal, and removal here refers to extracting a device or foreign material previously placed against or within this covering, such as a spinal drain, subdural catheter, or a synthetic dural substitute patch that failed or is being exchanged. These membranes are thin and closely applied to neural tissue, so any device sitting against them carries risk of cerebrospinal fluid leak or nerve root irritation if removed carelessly. Coders should confirm the material being extracted is a device rather than fluid or hardware belonging to an adjacent structure like the spinal canal itself, since the qualifying body part determines correct code selection when multiple nearby structures were involved in the original procedure.
Approach: Open
Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.
Device: Nonautologous Tissue Substitute
Nonautologous Tissue Substitute refers to biologic material sourced from a donor or another species, such as an allograft or xenograft, used to replace a body part. It differs from Autologous Tissue Substitute by tissue origin outside the patient's own body, and from Synthetic Substitute by being biologic rather than manufactured material.
Coding & Documentation
This code applies specifically when a device is taken out and no new device of the same type is inserted in its place during that operative episode. Documentation should identify the device removed, its location, and the fact that removal was completed, since a lead that breaks and leaves a fragment behind may require additional notes on what remained.
The most common assignment error is using Removal when a device was actually being exchanged for a new one in the same session, which should instead be coded as Replacement, or reporting Removal and a new Insertion separately when Replacement is the more accurate single code. Coders should also watch for cases where only part of a device system is removed, such as the generator but not the lead, since each component may need to be evaluated against its own body part and device value, and confirm whether the removal is the only procedure performed or is a preliminary step within a larger operative episode that includes reinsertion.