ICD-10-CM > S00-T88 > S20-S29 > S29 > S29.0 > S29.00 > S29.009 S29.009 Unspecified injury of muscle and tendon of unspecified wall of thorax Non-Billable/Non-Specific Codes S29.009A..., initial encounterS29.009D..., subsequent encounterS29.009S..., sequela