ICD-10-CM > S00-T88 > T80-T88 > T81 > T81.5 > T81.50 > T81.502 T81.502 Unspecified complication of foreign body accidentally left in body following kidney dialysis Non-Billable/Non-Specific Codes T81.502A..., initial encounterT81.502D..., subsequent encounterT81.502S..., sequela