ICD-10-CM > S00-T88 > T80-T88 > T81 > T81.3 > T81.32 > T81.320 T81.320 Disruption or dehiscence of gastrointestinal tract anastomosis, repair, or closure Non-Billable/Non-Specific Codes T81.320A..., initial encounterT81.320D..., subsequent encounterT81.320S..., sequela