T81 › T81.3

T81.32 Disruption of internal operation (surgical) wound, not elsewhere classified

Not billable (header)Chapter 19

This code needs a 7th character (use X as a placeholder for missing characters).

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Codes under this one

T81.320 Disruption or dehiscence of gastrointestinal tract anastomosis, repair, or closureHeader
T81.321 Disruption or dehiscence of closure of internal operation (surgical) wound of abdominal wall muscle or fasciaHeader
T81.328 Disruption or dehiscence of closure of other specified internal operation (surgical) woundHeader
T81.329 Deep disruption or dehiscence of operation wound, unspecifiedHeader

Instructional notes

Chapter 19

Excludes2Not included here: the patient may have both; report both when both are present.

birth trauma (P10-P15)
obstetric trauma (O70-O71)

Use additional codeAdd a second code for the full picture.

code to identify any retained foreign body, if applicable (Z18.-)

Notes

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

T81

Excludes2Not included here: the patient may have both; report both when both are present.

complications following immunization (T88.0-T88.1)
complications following infusion, transfusion and therapeutic injection (T80.-)
complications of transplanted organs and tissue (T86.-)
specified complications classified elsewhere, such as:
complication of prosthetic devices, implants and grafts (T82-T85)
dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
endosseous dental implant failure (M27.6-)
floppy iris syndrome (IFIS) (intraoperative) H21.81
intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)
ostomy complications (J95.0-, K94.-, N99.5-)
plateau iris syndrome (post-iridectomy) (postprocedural) H21.82
poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)

Use additional codeAdd a second code for the full picture.

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

7th charactersThe appropriate 7th character is to be added to each code from category T81

A initial encounter
D subsequent encounter
S sequela

T81.3

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

breakdown (mechanical) of permanent sutures (T85.612)
displacement of permanent sutures (T85.622)
disruption of cesarean delivery wound (O90.0)
disruption of perineal obstetric wound (O90.1)
mechanical complication of permanent sutures NEC (T85.692)

Inclusion terms

Disruption of any suture materials or other closure methods

Chapter 19: Injury, poisoning and certain other consequences of external causes · T07-T88 Injury, poisoning and certain other consequences of external causes (T07-T88)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.