ICD-10-CM > S00-T88 > S10-S19 > S13 > S13.1 > S13.16 > S13.161 S13.161 Dislocation of C5/C6 cervical vertebrae Non-Billable/Non-Specific Codes S13.161A..., initial encounterS13.161D..., subsequent encounterS13.161S..., sequela