0XM90ZZ
Reattachment Upper Arm, Left to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | X Anatomical Regions, Upper Extremities |
| Operation | M Reattachment |
| Body Part | 9 Upper Arm, Left |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | Z No Qualifier |
Operation Definition
Putting back in or on all or a portion of a separated body part to its normal location or other suitable location
Procedure Overview
This family covers reattaching a portion of an upper limb - such as a hand, forearm, or arm segment - that has been completely or partially severed, restoring it to its normal anatomic position. These are emergency or urgent reconstructive procedures following traumatic amputation, most often from industrial accidents, machinery injuries, or severe lacerations, and they require reconnecting blood vessels, nerves, tendons, and bone to give the limb the best chance of regaining function and sensation.
Outcomes depend heavily on how quickly the reattachment occurs after injury and how much tissue damage accompanied the original trauma, and patients typically need extensive follow-up therapy afterward.
Anatomy & Axis Detail
Upper Arm, Left
The left upper arm extends from the shoulder to the elbow and is built around the humeral shaft, the biceps and triceps muscle groups, and the brachial neurovascular bundle carrying the median, ulnar, and radial nerves alongside the brachial artery and vein. When this segment is traumatically severed, reattachment involves fixation of the humerus, most commonly with plates or intramedullary devices, followed by layered repair of the surrounding musculature and microvascular anastomosis of the brachial vessels along with epineural repair of the major nerves. Because the upper arm has a relatively simple, cylindrical anatomy without an intervening joint, surgical realignment tends to be more straightforward than at junctional regions, though the time elapsed before revascularization strongly influences whether the reattached limb remains viable. This code is reserved for amputations occurring through the arm shaft itself, distinct from more proximal shoulder-level or more distal elbow-level injuries.
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
Coding requires confirmation that the detached part was genuinely put back onto the patient's own body, not replaced with a prosthetic or graft from another source, and that the reattached segment corresponds to the anatomical region level rather than a single named bone or joint. The operative note should specify the level of amputation and confirm vascular and neural reconnection were achieved. A frequent mistake is coding Reattachment when the procedure was actually a Transfer or Repair of a still-attached but nearly severed limb, or when the reattached part belongs to a more specific body part value elsewhere in the system.
Commonly Confused With
This is commonly confused with Repair, which applies when the limb was never fully separated and simply needed the injury closed or restored, and with Transplantation, which involves tissue from a donor rather than the patient's own severed part. It also overlaps with hand- or finger-specific Reattachment codes - the distinguishing detail is whether the severed segment maps to the broader regional anatomy or to a distinct, separately valued body part such as a single digit.