ICD-10-CM > S00-T88 > S20-S29 > S26 > S26.9 > S26.91 S26.91 Contusion of heart, unspecified with or without hemopericardium Non-Billable/Non-Specific Codes S26.91XA..., initial encounterS26.91XD..., subsequent encounterS26.91XS..., sequela