ICD-10-CM > S00-T88 > S10-S19 > S13 > S13.1 > S13.16 S13.16 Subluxation and dislocation of C5/C6 cervical vertebrae Non-Billable/Non-Specific Codes S13.160Subluxation of C5/C6 cervical vertebraeS13.160A..., initial encounterS13.160D..., subsequent encounterS13.160S..., sequelaS13.161Dislocation of C5/C6 cervical vertebraeS13.161A..., initial encounterS13.161D..., subsequent encounterS13.161S..., sequela