0LS64ZZ
Reposition Lower Arm and Wrist Tendon, Left to No Qualifier with No Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | L Tendons |
| Operation | S Reposition |
| Body Part | 6 Lower Arm and Wrist Tendon, Left |
| Approach | 4 Percutaneous Endoscopic |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Moving to its normal location, or other suitable location, all or a portion of a body part
Procedure Overview
Reposition procedures move a tendon, or a portion of one, from its usual anatomic location to a different, often more favorable, position while keeping the tendon otherwise intact. Tendon transfer surgery is the most familiar example, where a functioning tendon is detached from its original insertion and reattached elsewhere to restore movement lost to nerve injury, muscle imbalance, or paralysis, such as transferring a wrist tendon to substitute for a paralyzed finger extensor.
These procedures are also used to correct tendons that have slipped out of their normal groove or track, such as a dislocating peroneal tendon at the ankle, where the tendon is surgically returned to and stabilized within its proper anatomic channel. The underlying goal is always to change the tendon's position or course, not to repair damage to the tendon tissue itself, though repair of associated damage may be documented in the same operative session.
Anatomy & Axis Detail
Lower Arm and Wrist Tendon, Left
On the left lower arm and wrist, tendon reposition addresses flexor or extensor tendons that have shifted out of their normal alignment, often due to retinacular injury, chronic subluxation, or as a corrective step in tendon transfer surgery for nerve palsy. Because these tendons travel through narrow synovial sheaths and beneath retaining ligaments at the wrist, even minor displacement can cause snapping, pain, or loss of coordinated finger movement. The surgeon moves the tendon to a new anatomic course while preserving its native tissue and function, distinct from procedures that remove or graft tendon material. Accurate documentation of which specific tendon was repositioned is important given the density of structures in this compact anatomic region.
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 look for clear language describing detachment from one anatomic location and reattachment or rerouting to another, distinguishing this from procedures that merely repair a tendon in its native position. The documentation should specify both the origin and destination of the moved tendon segment, since body part values are assigned based on the tendon's location, and transfers can span values if the tendon moves between defined body regions.
A frequent error is confusing tendon transfer with muscle transfer coding when a musculotendinous unit is moved, since the correct body system and root operation depend on whether the objective and documentation center on the tendon or the muscle component. Coders should also avoid double-coding a repair of tendon fraying at the transfer site as a separate procedure when it is an inherent part of the reposition itself.