ICD-10-PCS Billable Code

0XUV47Z

Supplement Little Finger, Right to No Qualifier with Autologous Tissue Substitute, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemX Anatomical Regions, Upper Extremities
OperationU Supplement
Body PartV Little Finger, Right
Approach4 Percutaneous Endoscopic
Device7 Autologous Tissue Substitute
QualifierZ No Qualifier

Operation Definition

Putting in or on biological or synthetic material that physically reinforces and/or augments the function of a portion of a body part

Procedure Overview

Supplement procedures put in biological or synthetic material to reinforce or augment an upper extremity structure that remains in place, rather than replacing it outright. A typical scenario is applying a mesh or patch graft over an area of weakened soft tissue or fascia in the arm to strengthen it, or augmenting a regional defect with additional material while the native anatomy stays where it is.

This approach is chosen when the existing tissue is intact enough to remain functional but needs added support, commonly after trauma, chronic strain, or a structural weakness identified during another procedure. It differs from a from-scratch repair because material is physically added to bolster the area, and it differs from a full swap because nothing is being removed and replaced.

Anatomy & Axis Detail

Little Finger, Right

Supplement of the right little finger reinforces the ulnar-side digit's collateral ligaments, volar plate, or extensor mechanism, frequently after chronic ulnar collateral ligament laxity at the metacarpophalangeal joint that compromises grip stability along the hand's border. Because the little finger lacks the structural support of a neighboring digit on its ulnar side, it is more prone to isolated instability from trauma or repetitive stress, and reinforcement with graft or synthetic material restores the joint's resistance to angular and rotational force during power grasp. The digit's smaller size and thinner soft tissue envelope also influence graft sizing and fixation technique. Documentation should note the specific joint level, structure reinforced, and material used, since the little finger's border position makes stability restoration particularly relevant to overall hand function.

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 a code from this family when the operative note documents that graft, mesh, or synthetic material was placed onto or into an existing upper extremity structure purely to reinforce or augment it, with the native tissue left intact, and the documentation should specify the material type and the exact regional location covered. A common error is coding Supplement when the surgeon actually excised damaged tissue first and put in a substitute, which belongs under Replacement instead. Another recurring issue is failing to capture whether the reinforcing material is autologous, nonautologous, or synthetic, since this qualifier changes the specific code and is easy to overlook if the operative note only says "graft placed" without further detail.

Commonly Confused With

ReplacementThe closest point of confusion is with Replacement, and the distinguishing question is always whether native tissue was removed before the new material went in; if nothing was excised, Supplement applies.
RepairIt can also be confused with Repair when reinforcing material blurs into what looks like routine wound closure, but Repair does not involve adding permanent material to strengthen the structure.