| G54 | Nerve root and plexus disorders | NON-BILLABLE CODE |
| G54.0 | Brachial plexus disorders | BILLABLE CODE |
| G54.1 | Lumbosacral plexus disorders | BILLABLE CODE |
| G54.2 | Cervical root disorders, not elsewhere classified | BILLABLE CODE |
| G54.3 | Thoracic root disorders, not elsewhere classified | BILLABLE CODE |
| G54.4 | Lumbosacral root disorders, not elsewhere classified | BILLABLE CODE |
| G54.5 | Neuralgic amyotrophy | BILLABLE CODE |
| G54.6 | Phantom limb syndrome with pain | BILLABLE CODE |
| G54.7 | Phantom limb syndrome without pain | BILLABLE CODE |
| G54.8 | Other nerve root and plexus disorders | BILLABLE CODE |
