ICD-10-PCS Billable Code

0MNH0ZZ

Release Abdomen Bursa and Ligament, Right to No Qualifier with No Device, Open Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemM Bursae and Ligaments
OperationN Release
Body PartH Abdomen Bursa and Ligament, Right
Approach0 Open
DeviceZ No Device
QualifierZ 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

Abdomen Bursa and Ligament, Right

On the right, this body part includes ligamentous structures of the abdominal wall and cavity not classified elsewhere, such as the right inguinal ligament and associated fascial condensations that stabilize the lower abdominal wall and floor of the inguinal canal. Release is performed when the ligament itself, rather than surrounding fascia or muscle, is entrapping a nerve or restricting motion, as can occur with ilioinguinal nerve entrapment where a tight inguinal ligament band is incised to relieve chronic groin pain. Because abdominal wall procedures more commonly involve muscle, fascia, or hernia repair, a true ligament release is a narrower indication, and documentation should confirm the ligament was the specific structure divided rather than an incidental step in a broader repair.

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.

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.

Commonly Confused With

DivisionRelease is frequently confused with Division, which also involves cutting a body part but without any therapeutic objective of freeing it from constraint.
ExcisionIt is also mixed up with Excision, since both can involve cutting scar tissue; the difference is whether restrictive tissue is cut through to free the structure (Release) or whether a piece of tissue is actually cut out and removed (Excision).