02TD4ZZ
Resection Papillary Muscle to No Qualifier with No Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 2 Heart and Great Vessels |
| Operation | T Resection |
| Body Part | D Papillary Muscle |
| Approach | 4 Percutaneous Endoscopic |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Cutting out or off, without replacement, all of a body part
Procedure Overview
Resection in the heart and great vessels describes cutting out an entire body part with nothing put in its place. In this body system that most often means removing a defined anatomic segment, such as an atrial appendage, or excising an entire structure that has become diseased or is no longer needed.
This differs from trimming away a portion of tissue; Resection applies to a complete structure being taken out, not a partial removal. Reasons for performing it range from eliminating a source of dangerous blood clots, as with an atrial appendage tied to stroke risk in atrial fibrillation, to removing a segment that is obstructing normal circulation or that was created for an earlier stage of treatment and is no longer required.
Because the heart and great vessels have a limited number of discrete, whole body parts recognized in this classification, true Resection procedures here are less common than in other body systems where whole organs are removed.
Anatomy & Axis Detail
Papillary Muscle
The papillary muscles are the conical muscular projections arising from the ventricular wall that anchor the chordae tendineae and stabilize the mitral and tricuspid valve leaflets during contraction. Resection of papillary muscle tissue is performed when a muscle head is ruptured, infarcted, or otherwise diseased in a way that compromises valve function, or when a portion must be removed to relieve outflow tract obstruction as seen in hypertrophic obstructive cardiomyopathy. Because papillary muscles receive blood supply from coronary branches that can be compromised in ischemic disease, resection in this context often occurs alongside coronary revascularization or valve surgery. The muscle's role in supporting valve competence means that removing tissue here requires careful assessment of the remaining structure's ability to continue supporting normal leaflet motion.
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.
Coding & Documentation
Coders should assign Resection here only when the documentation confirms an entire body part, as defined in the body part table, was removed and nothing was left in that location. If any portion of the structure remains, the correct root operation is usually Excision instead, so the note needs to be explicit about complete removal.
A frequent error is defaulting to Resection whenever a heart structure is cut out, without checking whether the body part is defined as a discrete whole entity in this body system. Left atrial appendage occlusion or excision procedures are a common source of this confusion, since some techniques resect the appendage while others merely close it off, which is a different root operation entirely.