ICD-10-PCS Billable Code

04BT4ZX

Excision Peroneal Artery, Right to Diagnostic with No Device, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System4 Lower Arteries
OperationB Excision
Body PartT Peroneal Artery, Right
Approach4 Percutaneous Endoscopic
DeviceZ No Device
QualifierX Diagnostic

Operation Definition

Cutting out or off, without replacement, a portion of a body part

Procedure Overview

This family describes surgical procedures that cut out a portion of a lower extremity artery without replacing what is removed, typically to obtain a tissue sample for diagnosis or to remove a segment of diseased vessel wall. Unlike procedures aimed at reopening or bypassing a blocked artery, Excision here is about physically taking a piece of the vessel itself, whether for biopsy purposes or as a limited resection.

Common reasons for this procedure include biopsying a suspicious arterial wall lesion, removing a small aneurysmal segment that does not require full graft replacement, or excising a portion of vessel affected by infection or tumor invasion. The remainder of the artery is generally left in place and, depending on the clinical situation, may be repaired or simply closed.

Because only a portion of the body part is taken and no replacement graft is inherently part of this root operation, Excision in the lower arteries is usually a more limited intervention than a full arterial resection and reconstruction, reserved for situations where sampling or partial removal addresses the clinical problem.

Anatomy & Axis Detail

Peroneal Artery, Right

The right peroneal artery, also called the fibular artery, branches from the posterior tibial artery and runs along the fibula deep within the posterior compartment of the leg, providing an important collateral pathway when the tibial vessels are diseased or occluded. Excision of a portion of this artery removes diseased tissue that will not be replaced during the same procedure, which may occur when the vessel itself is affected by atherosclerosis, aneurysm, or trauma, or when a segment is needed for diagnostic study. Because the peroneal artery often serves as the primary remaining outflow vessel in patients with severe tibial disease, surgeons must weigh the impact of excising any portion of it on overall limb perfusion. Its deep intermuscular location between the flexor hallucis longus and tibialis posterior muscles also makes surgical exposure more involved than for the more superficial tibial vessels.

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.

Qualifier: Diagnostic

Applied chiefly to Excision, this qualifier marks that tissue was removed specifically for diagnostic purposes, i.e., a biopsy intended for pathologic evaluation rather than to treat disease. It distinguishes biopsy-type excisions from therapeutic excisions of the same body part, which are coded without this qualifier even though the physical technique may be identical.

Coding & Documentation

Coding this family correctly depends on documentation confirming that a portion, not the entirety, of the specific named lower artery was cut out and removed from the body, along with the approach used to reach it. If the pathology or operative report indicates the entire named vessel segment was removed, Resection rather than Excision is the appropriate root operation, so coders must read closely for that distinction.

A frequent error is defaulting to Excision for any biopsy-related procedure without checking whether the tissue was actually excised versus merely sampled with a needle, which may instead be coded differently depending on technique. Another common mistake is failing to code a concurrent repair, such as suture closure of the arteriotomy, separately when it represents more than the value included in the excision itself, or conversely coding a repair that is inherent to the excision procedure.

Commonly Confused With

ResectionExcision is most often confused with Resection, and the deciding factor is always completeness: Resection requires the entire body part to be cut out, while Excision takes only a portion.
ExtirpationIt is also distinguished from Extirpation, which removes abnormal solid matter such as plaque or thrombus rather than a piece of the artery's own structure, and from Destruction, where tissue is eradicated in place rather than physically removed.
ReplacementWhen an excised segment is replaced with a graft, an additional Replacement code may be needed alongside or instead of Excision, depending on how the operative note characterizes the extent of vessel removed.