01WY37Z
Revision Peripheral Nerve to No Qualifier with Autologous Tissue Substitute, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 1 Peripheral Nervous System |
| Operation | W Revision |
| Body Part | Y Peripheral Nerve |
| Approach | 3 Percutaneous |
| Device | 7 Autologous Tissue Substitute |
| Qualifier | Z No Qualifier |
Operation Definition
Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device
Procedure Overview
This family applies when a previously implanted device on a peripheral nerve, such as a nerve stimulator lead or electrode array, is malfunctioning or has shifted out of position and needs correction. Peripheral nerve stimulators are used for chronic pain conditions like occipital neuralgia or for certain movement disorders, and over time the lead can migrate, fracture, or lose effective contact with the nerve, prompting a return to the operating room to adjust or repair the existing hardware.
The goal of a revision procedure is to fix the device that is already in place, not to take it out for good or put in an entirely new one. If the surgeon repositions a displaced lead back against the target nerve, or repairs a broken connection within the existing system, that work falls into this family.
Anatomy & Axis Detail
Peripheral Nerve
Peripheral nerve revision applies when a previously implanted device tied to a nerve, such as a nerve stimulator electrode, cuff, or wrap used for pain control, spasticity management, or functional electrical stimulation, is no longer positioned or functioning correctly. Peripheral nerves are thin, mobile structures that lie close to soft tissue planes, so implanted leads can migrate, fracture, or become encased in scar tissue that alters stimulation thresholds or causes discomfort. Revision corrects the device in place, repositioning an electrode along the nerve, adjusting a cuff that has become too tight or too loose, or freeing adherent scar without replacing the entire device. Documentation should specify which nerve and device component was revised, since the procedure is coded to the nerve where the device sits rather than to the device itself, and should distinguish revision from removal or replacement.
Approach: Percutaneous
Percutaneous describes entry by needle or instrument puncture through the skin or mucous membrane to reach the site of the procedure, without cutting the tissue open or using a visualizing scope. It differs from Open in that the site itself is never exposed, and from Percutaneous Endoscopic in that no endoscope is used to see internal structures. Common examples include needle biopsies and injections.
Device: Autologous Tissue Substitute
Autologous Tissue Substitute identifies a device value where material harvested from the patient's own body, such as an autograft, is used to replace or reconstruct a body part. Its defining feature is tissue origin from the patient, setting it apart from Nonautologous Tissue Substitute, sourced from a donor or animal, and Synthetic Substitute, made of manufactured material.
Coding & Documentation
Documentation should specify what was wrong with the device (displacement, malfunction, fracture) and what corrective action was taken, since Revision only applies when the existing device is adjusted or repaired in place. If the operative note describes the device being fully removed and a new one implanted, that is coded as Removal followed by Insertion, not Revision, and this substitution is a frequent source of coding errors. Coders should also verify the device value reflects the type of neurostimulator lead or generator component actually addressed, and confirm the approach value matches how the surgeon accessed the device.