0MNP3ZZ
Release Knee Bursa and Ligament, Left to No Qualifier with No Device, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | M Bursae and Ligaments |
| Operation | N Release |
| Body Part | P Knee Bursa and Ligament, Left |
| Approach | 3 Percutaneous |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Freeing a body part from an abnormal physical constraint by cutting or by the use of force
Procedure Overview
Release procedures free a bursa or ligament from something abnormally constraining it, using cutting or manual force to relieve that pressure. Unlike removing a foreign object, the abnormal constraint here is typically scar tissue, adhesions, or a tight band of the ligament itself pressing on a nerve or restricting motion.
The most familiar example is carpal tunnel release, where the transverse carpal ligament is cut to relieve pressure on the median nerve running underneath it. Similar procedures address trigger finger, where a tight pulley ligament catches the tendon, or joint contractures where scar tissue around a bursa or ligament limits normal movement.
These procedures are chosen when conservative treatment such as splinting, injections, or physical therapy has not resolved the constriction, and the goal is restoring normal movement or relieving nerve compression by cutting the tissue that is causing the problem.
Anatomy & Axis Detail
Knee Bursa and Ligament, Left
On the left knee, this body part encompasses the prepatellar and pes anserine bursae along with the collateral and patellar ligaments, excluding the separately coded cruciate ligaments. Release is performed when bursal fibrosis from repetitive kneeling or friction restricts flexion, or when a tight lateral retinaculum or collateral ligament band limits patellar tracking or full joint motion following injury or prior surgery. The surgeon divides the restrictive tissue, often arthroscopically for retinacular releases, to relieve mechanical tethering while maintaining the ligament's overall stabilizing function around the joint. Because the knee's bursae and ligaments serve distinct roles in cushioning versus stabilization, the operative report should clearly identify which specific structure was addressed to support accurate code assignment.
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.
Coding & Documentation
The documentation should identify what was constraining the body part and confirm the surgeon cut or forcibly freed the ligament or bursa itself to relieve that constraint. This differs from cases where the ligament is the source of pressure on a different structure, such as a nerve, since ICD-10-PCS codes the release to the body part being freed, which is usually the ligament that was cut, not the nerve that benefited.
A frequent mixup is coding Release when the actual procedure removed a discrete blockage, such as scar tissue excised entirely rather than simply divided, which would instead point toward Excision. Coders also need to check the body part convention carefully in carpal tunnel and similar cases, since the transverse carpal ligament is classified under Bursae and Ligaments even though the clinical benefit is to a nerve, and the release is coded to the ligament being cut, not the nerve.