ICD-10-CM > S00-T88 > S20-S29 > S29 > S29.0 > S29.02 S29.02 Laceration of muscle and tendon of thorax Non-Billable/Non-Specific Codes S29.021Laceration of muscle and tendon of front wall of thoraxS29.021A..., initial encounterS29.021D..., subsequent encounterS29.021S..., sequelaS29.022Laceration of muscle and tendon of back wall of thoraxS29.022A..., initial encounterS29.022D..., subsequent encounterS29.022S..., sequelaS29.029Laceration of muscle and tendon of unspecified wall of thoraxS29.029A..., initial encounterS29.029D..., subsequent encounterS29.029S..., sequela