0LS50ZZ
Reposition Lower Arm and Wrist Tendon, Right to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | L Tendons |
| Operation | S Reposition |
| Body Part | 5 Lower Arm and Wrist Tendon, Right |
| Approach | 0 Open |
| 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, Right
The lower arm and wrist tendon group on the right side encompasses the numerous flexor and extensor tendons that cross the wrist to control finger and hand movement. Reposition is performed when a tendon has subluxed from its normal groove or retinaculum, a problem seen with extensor tendon instability at the wrist, or when a surgeon intentionally moves a tendon's course to rebalance forces after nerve injury or muscle imbalance. Because this region contains many closely packed tendons within tight fibro-osseous tunnels, even small changes in position can significantly affect finger function. Operative documentation should specify the exact tendon relocated, since the lower arm and wrist house both flexor and extensor tendons whose individual identities matter for accurate coding and clinical tracking.
Approach: Open
Open approach means the surgeon cuts through skin, mucous membrane, or other tissue layers to physically expose the target site to view before performing the procedure. It gives direct visualization and hands-on access, distinguishing it from Percutaneous approaches where instruments pass through a small puncture without exposing the site. Open is typical for procedures needing wide access, such as most laparotomies.
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.