01XH4ZH
Transfer Peroneal Nerve to Peroneal Nerve with No Device, Percutaneous Endoscopic Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 1 Peripheral Nervous System |
| Operation | X Transfer |
| Body Part | H Peroneal Nerve |
| Approach | 4 Percutaneous Endoscopic |
| Device | Z No Device |
| Qualifier | H Peroneal Nerve |
Operation Definition
Moving, without taking out, all or a portion of a body part to another location to take over the function of all or a portion of a body part
Procedure Overview
Transfer procedures on the peripheral nervous system move a nerve, still attached to its original blood and nerve supply at one end, to a new location so it can take over the function of a different, nonworking nerve. Nerve transfers are used after severe injuries, such as brachial plexus avulsions, when the original nerve supplying a muscle is damaged beyond repair but a healthy, less critical nerve nearby can be redirected to reinnervate that muscle instead. A common example is transferring a branch of the spinal accessory nerve to the suprascapular nerve to restore shoulder function after a brachial plexus injury.
Because the donor nerve is not cut free entirely but repositioned to connect with a different target, these procedures differ from a graft, which uses a separate, disconnected piece of tissue to bridge a gap. Transfer is chosen specifically when restoring the original damaged nerve directly is not feasible.
Anatomy & Axis Detail
Peroneal Nerve
Peroneal nerve transfer, more precisely involving the common peroneal or its deep and superficial divisions, is performed to restore dorsiflexion and eversion of the foot when this nerve has been injured, commonly from fibular head trauma, compression, or knee dislocation, leading to foot drop. Because the peroneal nerve has a comparatively poor track record of spontaneous recovery due to its vulnerable superficial course around the fibular neck and susceptibility to traction injury, surgeons frequently transfer a tibial nerve branch into it rather than relying on primary repair alone, making the peroneal nerve most often the recipient in these procedures. The nerve's course lateral to the knee also makes it accessible for direct fascicular coaptation. Documentation should specify the peroneal branch and its role as donor or recipient.
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.
Qualifier: Peroneal Nerve
The Peroneal Nerve, the other terminal branch of the sciatic nerve, courses around the fibular head to supply the muscles of dorsiflexion and eversion, and is particularly susceptible to compression injury causing foot drop. As a qualifier it distinguishes this nerve from the tibial nerve, its sciatic-derived counterpart on the posterior leg.
Coding & Documentation
The operative note needs to name both the donor nerve being moved and the recipient nerve or muscle it is being connected to, since the body part value coded reflects the nerve being transferred, not the target. A frequent coding error is mistaking a nerve transfer for a nerve graft repair; the distinguishing detail is whether the donor nerve retains its native blood supply and proximal attachment (Transfer) or is a free segment used to bridge a gap in a different nerve (Repair or Replacement). Coders should also check whether the transferred nerve is being coapted directly to the recipient nerve or routed through a graft, which can mean an additional code is warranted.