ICD-10-CM > S00-T88 > S20-S29 > S26 > S26.9 > S26.90 S26.90 Unspecified injury of heart, unspecified with or without hemopericardium Non-Billable/Non-Specific Codes S26.90XA..., initial encounterS26.90XD..., subsequent encounterS26.90XS..., sequela