ICD-9 codes use to identify pre-op diagnoses related to ACDF procedure.
| ICD-9 | Diagnosis |
| 722.2 | Displacement of intervertebral disc, site unspecified, without myelopathy |
| 722.4 | Degeneration of cervical intervertebral disc |
| 722.6 | Degeneration of intervertebral disc, site unspecified |
| 723.4 | Brachial neuritis or radiculitis NOS |
| 729.2 | Neuralgia, neuritis, and radiculitis, unspecified |