ICD-10-PCS Billable Code

04QS3ZZ

Repair Posterior Tibial Artery, Left to No Qualifier with No Device, Percutaneous Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System4 Lower Arteries
OperationQ Repair
Body PartS Posterior Tibial Artery, Left
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

Repair procedures on the lower arteries address a structural problem, such as a laceration, perforation, or traumatic injury, by restoring the vessel to its normal architecture using the surgeon's own techniques rather than a graft or prosthetic patch. This is the default root operation coders reach for when no other, more specific root operation like Bypass, Replacement, or Supplement accurately describes what was done to fix the vessel.

Common clinical scenarios include suturing an iatrogenic arterial injury sustained during catheterization, closing a puncture site that will not stop bleeding with simple pressure, or repairing a vessel nicked during an unrelated abdominal or orthopedic operation. Because Repair is the root operation reserved for when nothing else fits, it tends to show up in trauma and complication scenarios rather than in planned, elective vascular work.

Anatomy & Axis Detail

Posterior Tibial Artery, Left

The left posterior tibial artery runs along the deep posterior compartment of the calf and behind the medial malleolus before dividing into plantar branches that supply the sole of the foot. Repair here addresses a traumatic laceration, an iatrogenic injury from adjacent tendon or fracture surgery, or a focal aneurysmal or pseudoaneurysmal defect, restoring the vessel wall so flow to the foot's plantar arch is not compromised. Because the artery lies close to the tibial nerve and flexor tendons in a tight fascial space, exposure for direct suture repair can be technically demanding, and swelling from compartment syndrome may complicate access. Documentation should reflect that the primary intent was restoring structural integrity of this specific named vessel rather than reestablishing lost blood flow through bypass or replacement of a longer segment.

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 needs to describe the defect being fixed, the artery involved, and confirm that the surgeon used direct suture or similar technique without introducing graft material, since adding a patch or graft shifts the case to Supplement or Replacement instead. The operative note should also make clear whether the repair was the primary intervention or an incidental step during a larger procedure, since incidental repairs during an unrelated primary procedure are sometimes not separately reportable.

A frequent coding mistake is defaulting to Repair when a more specific root operation actually applies, since Repair is technically the "not elsewhere classified" option and coders should first rule out Bypass, Occlusion, Restriction, or Supplement before settling on it.

Commonly Confused With

SupplementSupplement is the closest neighbor and the distinction hinges on whether material was added to reinforce the vessel wall; if a patch angioplasty or graft material was used to close the defect, Supplement is correct, while a simple suture repair without added material is Repair.
BypassBypass procedures are sometimes confused with Repair when a damaged segment is rerouted around rather than directly fixed; Bypass always involves creating a new route from one point to another, which Repair does not.