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Reattachment Knee Region, Right to No Qualifier with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | Y Anatomical Regions, Lower Extremities |
| Operation | M Reattachment |
| Body Part | F Knee Region, Right |
| 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
Reattachment procedures in this family restore a lower extremity part - a toe, foot, leg, or the entire limb - that has been completely or partially severed, fixing it back onto the body at or near its original position. The most common scenario is traumatic amputation from a crush injury, machinery accident, or sharp-force trauma, where the severed part is preserved on ice and surgically reconnected within hours. Surgeons reattach bone with plates or wires, then repair blood vessels, nerves, tendons, and skin in a staged sequence so blood flow is restored as early as possible.
The goal is to save a functional limb rather than leave the patient with an amputation stump, though not every severed part is salvageable - crush damage, prolonged ischemia, or contamination can rule it out. Recovery is long and involves close monitoring for vascular compromise, since reattached tissue can fail days after surgery even when the initial procedure succeeds.
Anatomy & Axis Detail
Knee Region, Right
The right knee region encompasses the distal femur, proximal tibia and fibula, patella, and the joint capsule itself, along with the popliteal artery and vein and the peroneal and tibial nerve branches that pass behind the joint. Reattachment here is technically demanding because the operative field must restore both the joint's mechanical alignment and the tightly clustered popliteal neurovascular structures, which have limited redundancy and are prone to spasm or thrombosis after prolonged ischemia. Bony fixation across the joint line, ligamentous repair, and vascular anastomosis of the popliteal vessels are all typically addressed, and postoperative range of motion is often more limited than after a purely diaphyseal reattachment given the joint involvement.
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
A coder assigns from this family only when operative notes describe reconnecting a body part to its own body at the site of detachment, not simply repairing damaged tissue that remained attached. Documentation should specify the part reattached (toe, foot, lower leg) and confirm it is the patient's own severed part put back, since replacing a lost part with a prosthesis or someone else's tissue is not Reattachment. A frequent error is coding Reattachment when the operative note actually describes flap transfer or replantation of a graft rather than the patient's original detached part; another is missing that the vessel and nerve repairs performed during the same operation are typically captured as part of the combined procedure rather than coded separately when integral to it.