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Revision Lower Tendon to No Qualifier with Other Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | L Tendons |
| Operation | W Revision |
| Body Part | Y Lower Tendon |
| Approach | 4 Percutaneous Endoscopic |
| Device | Y Other Device |
| Qualifier | Z No Qualifier |
Operation Definition
Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device
Procedure Overview
Revision procedures on tendons address problems with a previously placed device, such as an anchor, suture material, or synthetic graft, that is malfunctioning, has migrated, or is otherwise not functioning as intended. Rather than performing a new repair, the surgeon goes back into the surgical site to adjust, reposition, or partially correct the existing hardware.
This type of procedure commonly follows a prior tendon repair or reconstruction where a suture anchor has pulled loose, a graft fixation device has shifted, or hardware is causing irritation or impinging on surrounding tissue. Patients typically present with recurrent pain, instability, or imaging findings showing device displacement rather than a fresh injury.
Because Revision is inherently tied to a prior procedure, it is usually performed by the same surgical team that placed the original device, or by a specialist reviewing the earlier operative report to understand what was implanted and where.
Anatomy & Axis Detail
Lower Tendon
Revision of a lower tendon corrects or adjusts a prior surgical intervention on a tendon of the lower extremity or pelvic region, such as loosened hardware from an Achilles repair, a failed patellar tendon graft, or a hamstring tenodesis that has come under increased tension from gait loading. Lower extremity tendons bear substantial weight and repetitive cyclical stress, so failures often present as pain, instability, or recurrent rupture at a previously operated site rather than as new injury. Surgeons performing revision here typically remove or reposition existing anchors, reinforce or replace degraded graft material, and re-establish appropriate tension for weight-bearing function. As with the upper tendon grouping, the code does not specify which individual lower tendon is involved, so the operative report must clearly state the target of the prior procedure being revised.
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: Other Device
Other Device is a catchall value used when a device remains in place but does not fit any of the specifically defined categories, such as tissue substitutes, drainage tubes, radioactive elements, or monitoring sensors. It allows coding of implanted or inserted devices that fall outside those named classifications.
Coding & Documentation
Documentation must clearly establish that an existing device was corrected in place, whether by repositioning, tightening, or partial adjustment, rather than removed and replaced with a new one. If the surgeon takes the device out entirely and puts in a new device, that combination is coded as Removal followed by the appropriate replacement-type root operation, not Revision.
Coders frequently misassign Revision when the note is ambiguous about whether hardware was adjusted versus swapped out. Careful reading of the operative report for verbs like "repositioned," "tightened," or "realigned" versus "removed and replaced" is essential, and the body part value should reflect the tendon where the device sits, not necessarily the site of the original injury.