ICD-10-CM > S00-T88 > S20-S29 > S29 > S29.0 > S29.01 > S29.019 S29.019 Strain of muscle and tendon of unspecified wall of thorax Non-Billable/Non-Specific Codes S29.019A..., initial encounterS29.019D..., subsequent encounterS29.019S..., sequela