07QM4ZZ
Repair Thymus to No Qualifier with No Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 7 Lymphatic and Hemic Systems |
| Operation | Q Repair |
| Body Part | M Thymus |
| Approach | 4 Percutaneous Endoscopic |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Restoring, to the extent possible, a body part to its normal anatomic structure and function
Procedure Overview
Repair in this body system is the catch-all corrective procedure used when a lymphatic or hemic structure - most often the spleen, but also lymph nodes, the thymus, or the thoracic duct - has been damaged and needs to be restored to as close to normal anatomy and function as possible, using a technique that does not fit any more specific root operation. A classic example is suturing a lacerated spleen after blunt trauma, sometimes called splenorrhaphy, to control bleeding while preserving the organ rather than removing it. Another is closing a lymphatic fistula or leak, such as a chyle leak from an injured thoracic duct.
These procedures matter clinically because they aim to save the organ or vessel and its function, which for the spleen in particular helps preserve immune defenses that would be lost with removal.
Anatomy & Axis Detail
Thymus
The thymus is a lobed gland situated in the anterior mediastinum behind the sternum, central to T-cell maturation in childhood and gradually involuting with age, and it can be affected by thymic cysts, trauma, or complications following mediastinal surgery such as sternotomy for cardiac procedures. Repair of the thymus addresses a capsular tear, laceration, or other structural defect, restoring the gland's integrity without removing thymic tissue, which would instead be coded as excision or resection. Its close relationship to the pericardium, great vessels, and phrenic nerves in the anterior mediastinum means repair requires careful exposure, particularly in adults where the gland is smaller and partly replaced by fat. This code is most relevant when thymic injury occurs incidentally during cardiac or thoracic surgery and requires direct closure rather than thymectomy.
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
Repair is a default root operation, so coders should only assign it after ruling out that the documented technique matches one of the more specific root operations - Release, Reposition, Resection, or a reconstructive operation like Replacement or Supplement. If the note describes suturing a spleen laceration with no other technique implied, Repair is appropriate; if it describes removing damaged splenic tissue along with the repair, part of the procedure may need to be coded as Excision instead. A common documentation gap is a vague operative note that says "repaired" without describing what was actually done, forcing the coder to query the physician rather than guess. Coders should also verify the correct body part, since a thoracic duct repair and a splenic repair use different values.