ICD-10-PCS Billable Code

02RQ47Z

Replacement Pulmonary Artery, Right to No Qualifier with Autologous Tissue Substitute, Percutaneous Endoscopic Approach

Procedural Specifications

Clinical Axis Detail Definition
Section0 Medical and Surgical
Body System2 Heart and Great Vessels
OperationR Replacement
Body PartQ Pulmonary Artery, Right
Approach4 Percutaneous Endoscopic
Device7 Autologous Tissue Substitute
QualifierZ No Qualifier

Operation Definition

Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part

Procedure Overview

Replacement procedures put in biological or synthetic material to physically take over for all or part of a heart valve, chamber wall, or great vessel segment that is diseased or damaged beyond simple repair. The most recognizable example is heart valve replacement, where a damaged aortic or mitral valve is taken out and substituted with a mechanical valve, a tissue valve from an animal or human donor, or, increasingly, a valve delivered through a catheter without open-heart surgery.

This family also includes replacing a diseased section of the aorta with a synthetic graft, as is done for an aneurysm or dissection. The underlying decision behind these procedures is that the native tissue can no longer perform its function safely, so a substitute structure is needed to physically stand in for it going forward.

Anatomy & Axis Detail

Pulmonary Artery, Right

The right pulmonary artery carries deoxygenated blood from the right ventricle outflow tract toward the right lung and is replaced when it is narrowed, aneurysmal, or damaged beyond repair, as seen in some forms of tetralogy of Fallot, pulmonary atresia, or prior surgical conduit failure. Because it lies close to the ascending aorta and right main bronchus within the mediastinum, replacement often uses a synthetic conduit or homograft tailored to the patient's vessel caliber, and is frequently performed alongside right ventricular outflow tract reconstruction. Documentation should specify whether the graft material is autologous, nonautologous, or synthetic, since this determines the qualifier used. Coders should also confirm laterality is correctly captured, distinguishing this vessel from the left pulmonary artery or the main pulmonary trunk, which carry separate body part values in this section.

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

Coding a Replacement case requires documentation confirming that the native structure was taken out (or was already absent, as in a redo procedure) and that a device or graft material now physically occupies that role. The material matters for the device value assigned - mechanical valve, tissue valve, synthetic vascular graft, and autologous tissue graft are all coded differently, so the operative note must specify what was implanted. A common error is coding Replacement when a valve is repaired with an annuloplasty ring rather than fully replaced, since a ring supports the native valve rather than substituting for it, which belongs under Repair or Supplement. Another pitfall is missing that a transcatheter valve replacement still qualifies as Replacement despite the minimally invasive approach, since the root operation depends on what was done, not how the access was gained.

Commonly Confused With

SupplementSupplement is the procedure most often confused with Replacement, since both can involve implanting material into the heart or vessels, but Supplement reinforces or augments existing tissue - like an annuloplasty ring supporting a native valve - while Replacement takes the native structure out and substitutes it entirely.
RepairRepair overlaps in cases of valve reconstruction using the patient's own tissue, which should be coded as Repair rather than Replacement because no synthetic or donor material takes over the valve's function.