| ICD Code | Description |
|---|---|
| 01N0 | Cervical Plexus |
| 01N1 | Cervical Nerve |
| 01N2 | Phrenic Nerve |
| 01N3 | Brachial Plexus |
| 01N4 | Ulnar Nerve |
| 01N5 | Median Nerve |
| 01N6 | Radial Nerve |
| 01N8 | Thoracic Nerve |
| 01N9 | Lumbar Plexus |
| 01NA | Lumbosacral Plexus |
| 01NB | Lumbar Nerve |
| 01NC | Pudendal Nerve |
| 01ND | Femoral Nerve |
| 01NF | Sciatic Nerve |
| 01NG | Tibial Nerve |
| 01NH | Peroneal Nerve |
| 01NK | Head and Neck Sympathetic Nerve |
| 01NL | Thoracic Sympathetic Nerve |
| 01NM | Abdominal Sympathetic Nerve |
| 01NN | Lumbar Sympathetic Nerve |
| 01NP | Sacral Sympathetic Nerve |
| 01NQ | Sacral Plexus |
| 01NR | Sacral Nerve |