ICD-10-CM > S00-T88 > T80-T88 > T81 > T81.5 > T81.50 > T81.505 T81.505 Unspecified complication of foreign body accidentally left in body following heart catheterization Non-Billable/Non-Specific Codes T81.505A..., initial encounterT81.505D..., subsequent encounterT81.505S..., sequela