Cervical disc replacement-specific score (CDRSS).
| Category | Variable | Points |
| Causes and presentation | Disc diseaseCervical myelopathyCervical radiculopathy | 3 |
| Indications | Unresponsive to conservative treatmentSingle-level or 2-level diseaseAge >18 y | 3 |
| Contraindications | Axial neck pain as only ailmentSpondylosisDisc height <3 mmKyphotic deformity >15°Active infectionKnown malignancyInflammatory spondyloarthropathyAllergy to implant materialMetabolic bone disease | 9 |
| Benefits | Maintenance of spinal motionRapid recoveryShorter hospital stayDecreased risk of ASD | 4 |
| Complications | InfectionBleeding/hematomaDysphagiaDysphoniaEsophageal/tracheal injuryDural tearRecurrent laryngeal nerve injurySpinal nerve injurySpinal cord injuryASDImplant-related failuresHeterotopic ossification | 12 |
| Treatment options | Conservative managementAnterior cervical discectomy and fusionPosterior laminoforaminotomyLaminoplastyLaminectomy with fusion | 5 |
| Surgical technique | ApproachDiscectomyDecompressionInsertion of cervical disc replacement | 4 |
| 40 points total | ||
ASD, adjacent segmental disease.