ICD-10-CM > S00-T88 > S20-S29 > S23 > S23.2 S23.2 Dislocation of other and unspecified parts of thorax Non-Billable/Non-Specific Codes S23.20Dislocation of unspecified part of thoraxS23.20XA..., initial encounterS23.20XD..., subsequent encounterS23.20XS..., sequelaS23.29Dislocation of other parts of thoraxS23.29XA..., initial encounterS23.29XD..., subsequent encounterS23.29XS..., sequela