ICD-10-CM > S00-T88 > S10-S19 > S13 > S13.1 > S13.15 > S13.151 S13.151 Dislocation of C4/C5 cervical vertebrae Non-Billable/Non-Specific Codes S13.151A..., initial encounterS13.151D..., subsequent encounterS13.151S..., sequela