ICD-10-PCS Billable Code

0HQNXZZ

Repair Skin, Left Foot to No Qualifier with No Device, External Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body SystemH Skin and Breast
OperationQ Repair
Body PartN Skin, Left Foot
ApproachX External
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

Repair procedures in the skin and breast are used whenever tissue needs to be restored to its normal structure after an injury or defect, and no other more specific root operation better describes what was done. Typical examples include suturing a skin laceration, closing a surgical wound that reopened, or repairing a breast defect that doesn't require reconstruction with an implant or flap.

This category functions as a default option in ICD-10-PCS: it applies when the objective is simply to put anatomy back together using the body's own tissue, without removing, replacing, or transferring tissue from elsewhere. It is commonly performed after trauma, dehiscence of a prior incision, or as the closing step following removal of a skin lesion when the surgeon simply reapproximates the edges rather than using a graft or flap.

Because Repair is the root operation of last resort, it is used only when the procedure doesn't fit any of the more specific root operations, such as suturing skin edges together rather than transferring a flap of tissue or inserting a graft.

Anatomy & Axis Detail

Skin, Left Foot

The skin of the left foot, encompassing the dorsal and plantar surfaces as well as the heel, is subject to the same functional demands as the right foot, bearing body weight and absorbing repetitive mechanical stress that predisposes it to ulceration, blistering, and traumatic wounds. Repair is used when the procedure restores skin integrity through direct closure rather than through grafting, tissue transfer, or excision of a lesion. Because foot skin varies in thickness from thin dorsal tissue to thick plantar callus, surgeons may describe different closure techniques depending on location within the same body part. Accurate coding depends on confirming laterality and ensuring the documentation supports simple restoration of the defect rather than a more complex reconstructive objective assigned to another root operation.

Approach: External

External approach applies to procedures performed directly on the skin or mucous membrane, or on an accessible body surface, without any instrumentation passing through a puncture or orifice. It covers things like manual reduction of a fracture or excision of a skin lesion. It differs from Via Natural or Artificial Opening in that no internal passage is entered at all, only the exposed surface.

Coding & Documentation

Coders should verify from the operative note that the closure was a straightforward reapproximation of tissue and not a more complex reconstruction, since Repair is only assigned when no other root operation applies. Documentation should specify the anatomic site closed and confirm that no graft, flap, or synthetic material was used, since those findings point elsewhere.

The most frequent error is defaulting to Repair too quickly, when the physician actually performed a procedure like a flap transfer that should be captured under Transfer, or a breast reconstruction using a graft that belongs under Replacement or Supplement. Another common mix-up is coding a routine surgical closure at the end of an unrelated procedure, such as the incision closure following an excision, which is not separately coded because it is an integral part of the primary operation rather than a distinct repair.

Commonly Confused With

SupplementRepair is easily confused with Supplement, which applies when the surgeon reinforces tissue by putting in additional biological or synthetic material, such as mesh under a breast repair, rather than simply closing tissue with sutures.
TransferIt is also distinct from Transfer, used when a flap of skin is moved while keeping its own blood supply intact to cover a defect elsewhere, and from Replacement, which involves substituting tissue or a device for a body part rather than restoring the patient's own anatomy.