ICD-10-PCS Billable Code

0MRW47Z

Replacement Lower Extremity Bursa and Ligament, Left to No Qualifier with Autologous Tissue Substitute, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemM Bursae and Ligaments
OperationR Replacement
Body PartW Lower Extremity Bursa and Ligament, Left
Approach4 Percutaneous Endoscopic
Device7 Autologous Tissue Substitute
QualifierZ No Qualifier

Operation Definition

Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part

Procedure Overview

Replacement procedures in this family involve putting in biological or synthetic material to physically stand in for all or part of a damaged bursa or, far more commonly, a ligament. The clearest example is anterior cruciate ligament (ACL) reconstruction, where a torn ACL is removed and replaced with a graft harvested from the patient's own patellar or hamstring tendon, from a donor, or occasionally a synthetic substitute, because the native ligament cannot be sutured back together and heal reliably.

These procedures are performed when a ligament tear is too severe, too chronic, or too central to joint stability for simple suturing to restore function - the knee, shoulder, and elbow are the joints where ligament replacement is most frequently needed. The goal is to give the joint a new structural cable capable of bearing the same mechanical loads as the original ligament, allowing patients to return to sports or daily activity with restored stability. Recovery is longer than for a simple repair, involving staged rehabilitation as the graft incorporates into the surrounding bone.

Anatomy & Axis Detail

Lower Extremity Bursa and Ligament, Left

On the left lower extremity, this body part captures bursae and ligaments beyond those specifically named for the hip, knee, ankle, or foot, such as connective tissue along the thigh or lower leg that stabilizes muscle groups and reduces friction during movement. Severe injury, chronic degeneration, or tumor involvement can render this tissue unable to be repaired, prompting excision and replacement with a graft or synthetic substitute to reestablish structural support for the limb. Because this designation spans a broad anatomic region rather than one discrete joint, documentation should specify the exact structure involved, such as a specific ligament or bursa, so the procedure is coded accurately when a more precise body part value is not available or applicable to the extent of tissue involved.

Approach: Percutaneous Endoscopic

Percutaneous Endoscopic combines a puncture through skin or mucous membrane with insertion of an endoscope to visualize the procedure internally, as in laparoscopic cholecystectomy. It is distinguished from plain Percutaneous by the presence of scope-guided visualization, and from Via Natural or Artificial Opening Endoscopic by its route being a new puncture rather than an existing orifice or stoma.

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

Coders assign from this family when documentation clearly states that the native ligament or bursa was removed and a graft or prosthetic material was implanted to take its place - autograft, allograft, and synthetic ligament substitutes all qualify. The operative note should identify the graft source and confirm the original structure was excised rather than left in place. A common assignment error is coding Replacement when the surgeon actually augmented an intact ligament with additional material, which is Supplement; the deciding question is whether the native structure was taken out. Another pitfall is missing the correct body part value when a graft crosses two adjoining structures, such as ACL reconstruction touching both femoral and tibial attachment sites.

Commonly Confused With

SupplementSupplement is the operation most often mixed up with Replacement - Supplement reinforces a ligament that remains largely intact, while Replacement takes the damaged structure out and substitutes new material entirely.
RepairRepair is used instead when the native ligament can simply be sutured back together without any graft material.
ResectionResection differs in that no replacement material is introduced at all; the bursa or ligament is simply excised.