01X80Z8
Transfer Thoracic Nerve to Thoracic Nerve with No Device, Open Approach
Procedural Specifications
| Clinical Axis | Detail Definition |
|---|---|
| Section | 0 Medical and Surgical |
| Body System | 1 Peripheral Nervous System |
| Operation | X Transfer |
| Body Part | 8 Thoracic Nerve |
| Approach | 0 Open |
| Device | Z No Device |
| Qualifier | 8 Thoracic 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
Thoracic Nerve
Thoracic nerve transfer most often refers to use of an intercostal nerve, one of the thoracic spinal nerves running along the rib margins, as a donor for reinnervating an upper extremity target such as the musculocutaneous nerve in complete brachial plexus avulsion where no cervical root remains available. Intercostal nerves carry mixed motor and sensory fibers and lie in a segmental pattern along each rib, so harvesting typically involves mobilizing two or three adjacent nerves to obtain sufficient axon count for a meaningful transfer, with care taken to avoid excessive chest wall sensory loss or intercostal muscle weakness. The long distance from the chest wall to an arm target means recovery is slower than with more proximal donor nerves. This body part designation applies specifically to the thoracic segment harvested for transfer.
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.
Qualifier: Thoracic Nerve
Thoracic Nerve refers to one of the twelve paired spinal nerves (T1-T12) that run along the trunk, supplying the intercostal muscles, chest wall, and abdominal wall sensation. As a qualifier it identifies a thoracic-level spinal nerve as the procedure's target, distinguishing it from cervical nerves above and lumbar nerves below in the spinal segmental sequence.
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.