ICD-10-CM > S00-T88 > T80-T88 > T81 > T81.5 > T81.52 > T81.529 T81.529 Obstruction due to foreign body accidentally left in body following unspecified procedure Non-Billable/Non-Specific Codes T81.529A..., initial encounterT81.529D..., subsequent encounterT81.529S..., sequela