0PSL3BZ
Reposition Ulna, Left to No Qualifier with External Fixation Device, Monoplanar, Percutaneous Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | P Upper Bones |
| Operation | S Reposition |
| Body Part | L Ulna, Left |
| Approach | 3 Percutaneous |
| Device | B External Fixation Device, Monoplanar |
| 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
This family describes moving a bone of the skull, face, chest wall, or upper extremity back to its normal anatomic location, or to another location that will function better, without cutting the bone free and removing it from the body. It's the code family used for reducing a displaced fracture, correcting a malunion, or realigning a bone that has shifted out of its normal position due to trauma or a congenital condition.
The procedure preserves the bone's own blood supply and continuity while adjusting its position - fixation with pins, plates, or screws is often part of the same operative episode to hold the corrected alignment in place.
Anatomy & Axis Detail
Ulna, Left
The left ulna serves as the stable pillar of the forearm, articulating with the humerus at the trochlear notch to form the elbow's hinge motion, and reposition is performed for fractures of its olecranon, shaft, or distal segment. Olecranon fractures can separate the triceps insertion from the rest of the ulna, and if left malaligned, elbow extension strength suffers, so restoring the articular surface and olecranon position is a key goal. Ulnar shaft fractures often occur with radial head dislocation in a Monteggia pattern, meaning realignment of the ulna may be performed alongside management of the radiocapitellar joint. Documentation should specify which portion of the ulna was involved and whether an associated radial injury was present, since these factors influence the broader treatment approach even though only the ulnar reposition is coded here.
Approach: Percutaneous
Percutaneous describes entry by needle or instrument puncture through the skin or mucous membrane to reach the site of the procedure, without cutting the tissue open or using a visualizing scope. It differs from Open in that the site itself is never exposed, and from Percutaneous Endoscopic in that no endoscope is used to see internal structures. Common examples include needle biopsies and injections.
Device: External Fixation Device, Monoplanar
A monoplanar external fixation device uses pins placed and connected within a single plane, forming a simpler, lower-profile frame typically used for straightforward fracture stabilization. It contrasts with a ring fixator, which encircles the limb for multiplanar control, and a hybrid fixator, which combines both configurations.
Coding & Documentation
A coder looks for language describing realignment, reduction, or repositioning of a fragment or whole bone as the defining clue, distinguishing it from repair language about restoring damaged tissue in place. Fixation devices used to hold the new position should be captured through the device value on the same code rather than as a separate procedure when performed at the same operative site. A common error is coding an open reduction and internal fixation entirely as repair, missing that the reduction component is reposition while the fixation is captured through the device character. Another pitfall is failing to distinguish reposition from resection when a bone fragment is removed rather than realigned.