| Code | Short Description | Long Description |
| 64400 | HC INJECTION AA&/STRD TRIGEMINAL NERVE EACH BRANCH | |
| 64405 | HC INJECTION AA&/STRD GREATER OCCIPITAL NERVE | |
| 64408 | HC INJECTION AA&/STRD VAGUS NERVE | |
| 64415 | HC INJECTION AA&/STRD BRACHIAL PLEXUS | |
| 64416 | HC INJECTION AA&/STRD BRACHIAL PLEXUS CONT NFS CATH | |
| 64418 | HC INJECTION AA&/STRD SUPRASCAPULAR NERVE | |
| 64420 | HC INJECTION AA&/STRD INTERCOSTAL NRV SINGLE LVL | |
| 64421 | HC INJECTION AA&/STRD INTERCOSTAL NRV EA ADDL LVL | |
| 64425 | HC INJECTION AA&/STRD ILIOINGUINAL IH NERVES | |
| 64430 | HC INJECTION AA&/STRD PUDENDAL NERVE | |
| 64435 | HC INJECTION AA&/STRD PARACERVICAL NERVE | |
| 64445 | HC INJECTION AA&/STRD SCIATIC NERVE | |
| 64446 | HC INJECTION AA&/STRD SCIATIC NERVE CONT NFS CATH | |
| 64447 | HC INJECTION AA&/STRD FEMORAL NERVE | |
| 64448 | HC INJECTION AA&/STRD FEMORAL NERVE CONT NFS CATH | |
| 64449 | HC INJECTION AA&/STRD LUMBAR PLEXUS CONT NFS CATH | |
| 64451 | HC INJECTION AA&/STRD NERVES NRVTG SI JOINT W/IMG | |
| 64454 | HC INJECTION AA&/STRD GENICULAR NRV BRANCHES W/IMG |