ICD-10-PCS Billable Code

0LR747Z

Replacement Hand Tendon, Right to No Qualifier with Autologous Tissue Substitute, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemL Tendons
OperationR Replacement
Body Part7 Hand Tendon, Right
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 involve taking out damaged or missing tendon tissue and putting in graft material, biological or synthetic, that physically takes over the tendon's job of connecting muscle to bone. This differs from a simple repair because the patient's own tendon tissue is not sufficient to close the gap, so a substitute, such as a tendon allograft, autograft harvested from elsewhere in the body, or a synthetic tendon substitute, is used to bridge or rebuild the structure.

This approach is common in chronic or long-standing tendon ruptures where the tendon ends have retracted and scarred, making direct repair impossible, as well as in reconstructive surgeries for conditions like chronic Achilles tendon rupture, some rotator cuff reconstructions, or ligament and tendon reconstructions in the hand. The goal is to restore functional continuity so the joint can move and bear load again, even though the replaced segment is not the patient's original tissue.

Anatomy & Axis Detail

Hand Tendon, Right

The tendons of the right hand include the flexor tendons running through the carpal tunnel and digital sheaths and the extensor tendons crossing the dorsum of the wrist, structures that must glide freely within synovial sheaths to permit fine motor control and grip. Replacement is considered when native tendon tissue is destroyed by deep laceration with segmental loss, chronic rupture with retraction, tumor excision, or failed prior repair where the gap cannot be bridged by direct suture or local tissue rearrangement. Because hand tendons are thin and heavily loaded through pulleys, replacement typically uses a free tendon graft, such as palmaris longus or a synthetic tendon substitute, threaded through the existing sheath. Coders should confirm whether the procedure autografts native tissue or inserts a nonbiological device, and should distinguish flexor from extensor involvement, since this affects device and qualifier selection.

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

To assign this root operation, the documentation must show that graft material physically substitutes for a segment of tendon rather than simply reinforcing or patching it. Coders should look for explicit mention of graft harvest or a specific graft product, and confirm the graft is taking the structural place of tendon rather than being layered on top for extra strength, which would instead be a Supplement procedure.

A common documentation gap is the operative note describing graft use without clarifying whether it fully substitutes for missing tendon tissue or merely augments intact tissue; coders should query the physician when this distinction is unclear, since it changes the root operation. Another frequent error is coding the graft harvest site as part of the tendon Replacement procedure rather than as its own separate procedure on the donor body part.

Commonly Confused With

SupplementThis family is frequently confused with Supplement, where graft material reinforces an existing, still-continuous tendon rather than replacing a missing segment, such as reinforcing a repaired rotator cuff tendon with a patch.
RepairIt also overlaps conceptually with Repair when a graft is mistakenly assumed anytime tendon surgery is documented; Repair applies only when the patient's own tendon tissue is directly closed without a substitute material taking its place.