ICD-10-CM > S00-T88 > S10-S19 > S13 > S13.1 > S13.10 S13.10 Subluxation and dislocation of unspecified cervical vertebrae Non-Billable/Non-Specific Codes S13.100Subluxation of unspecified cervical vertebraeS13.100A..., initial encounterS13.100D..., subsequent encounterS13.100S..., sequelaS13.101Dislocation of unspecified cervical vertebraeS13.101A..., initial encounterS13.101D..., subsequent encounterS13.101S..., sequela