ICD-10-CM > S00-T88 > S20-S29 > S29 > S29.0 > S29.00 > S29.001 S29.001 Unspecified injury of muscle and tendon of front wall of thorax Non-Billable/Non-Specific Codes S29.001A..., initial encounterS29.001D..., subsequent encounterS29.001S..., sequela