ICD-10-CM > S00-T88 > T80-T88 > T81 > T81.5 > T81.52 > T81.524 T81.524 Obstruction due to foreign body accidentally left in body following endoscopic examination Non-Billable/Non-Specific Codes T81.524A..., initial encounterT81.524D..., subsequent encounterT81.524S..., sequela