ICD-10-PCS Billable Code

01QG3ZZ

Repair Tibial Nerve to No Qualifier with No Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System1 Peripheral Nervous System
OperationQ Repair
Body PartG Tibial Nerve
Approach3 Percutaneous
DeviceZ No Device
QualifierZ No Qualifier

Operation Definition

Restoring, to the extent possible, a body part to its normal anatomic structure and function

Procedure Overview

This family covers restoring a peripheral nerve to as close to its normal structure and function as possible after it has been cut, torn, or otherwise physically damaged, using suture repair or direct approximation of the nerve ends. It is the primary approach when a nerve laceration is found from a knife wound, glass injury, iatrogenic surgical injury, or a fracture that has sheared through the nerve.

The surgeon aligns the cut nerve ends under magnification, matching the internal fascicles as precisely as possible, and sutures them together so the nerve can regenerate along its original pathway. Timing matters clinically, since nerves repaired soon after injury generally recover better than those repaired after prolonged delay, though repair can still be attempted later in appropriate cases.

Outcomes depend on the nerve involved, the distance the injury is from the muscles or skin it serves, and how cleanly the nerve ends can be matched, but the goal is always to reestablish continuity using the patient's own nerve tissue.

Anatomy & Axis Detail

Tibial Nerve

The tibial nerve is the larger terminal branch of the sciatic nerve, running down the back of the leg through the popliteal fossa and tarsal tunnel to supply the calf muscles and the sole of the foot. Injury commonly follows knee dislocation, deep laceration of the posterior leg, or entrapment within the tarsal tunnel, and can impair plantarflexion and produce numbness on the sole that predisposes patients to unnoticed foot injury. Repair addresses transection or entrapment of the nerve and, depending on the site of injury, may be performed at the popliteal fossa, along the leg, or at the ankle during tarsal tunnel release. Because the tibial nerve travels with the popliteal and posterior tibial vessels for much of its course, operative notes should clarify the specific segment repaired.

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

Documentation supporting this code should describe direct suture of nerve ends or another technique that reconnects the nerve's own tissue without adding graft material. The note should identify which specific nerve was repaired and the mechanism of injury, since that context often appears in related trauma documentation.

A common mistake is assigning Repair when the surgeon actually bridged a gap with a nerve graft or synthetic conduit, which belongs under Replacement or Supplement instead of Repair. Another frequent error is coding Repair for a procedure that was really a Release, when the nerve was found intact and simply freed from surrounding scar rather than physically damaged and sutured.

Commonly Confused With

ReplacementRepair is most often confused with Replacement, and the distinction hinges on whether a gap was bridged with graft or synthetic material - if so, that portion is Replacement, while direct end-to-end suture without added material is Repair.
ReleaseIt is also confused with Release, which applies when the nerve itself was never torn and only needed to be freed from an external constraint.