ICD-10-CM > S00-T88 > T80-T88 > T81 > T81.3 > T81.32 T81.32 Disruption of internal operation (surgical) wound, not elsewhere classified Non-Billable/Non-Specific Codes T81.320Disruption or dehiscence of gastrointestinal tract anastomosis, repair, or closureT81.320A..., initial encounterT81.320D..., subsequent encounterT81.320S..., sequelaT81.321Disruption or dehiscence of closure of internal operation (surgical) wound of abdominal wall muscle or fasciaT81.321A..., initial encounterT81.321D..., subsequent encounterT81.321S..., sequelaT81.328Disruption or dehiscence of closure of other specified internal operation (surgical) woundT81.328A..., initial encounterT81.328D..., subsequent encounterT81.328S..., sequelaT81.329Deep disruption or dehiscence of operation wound, unspecifiedT81.329A..., initial encounterT81.329D..., subsequent encounterT81.329S..., sequela