MCMedicalCodingSoftware
T81.329S

T81.329S: Deep disruption or dehiscence of operation wound, unspecified, sequela

Billable / specific codeICD-10-CMPOA exempt

T81.329S is a billable, specific ICD-10-CM code for deep disruption or dehiscence of operation wound, unspecified, sequela. It is valid for submission on a claim.

Check T81.329S with the rest of the claim: free scrubber

7th character "S": sequela

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

A
initial encounter
D
subsequent encounter
S
sequela

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Deep disruption or dehiscence of operation wound NOS

Excludes1 inherited from the categories above T81.329S

A category’s note binds every code beneath it.

Written on T81.3: Disruption of wound, not elsewhere classified

  • 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)

Excludes2 inherited from the categories above T81.329S

Not part of this code, but both may be coded when both are present.

Written on T81: Complications of procedures, not elsewhere classified

  • 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)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T81.329S is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53058Billing and Coding: Home Health Physical Therapy
  • A53064Billing and Coding: Outpatient Occupational Therapy
  • A53065Billing and Coding: Outpatient Physical Therapy

Code history

  • addedFY2024-FY2027

    Deep disruption or dehiscence of operation wound, unspecified, sequela

Other codes under T81.329

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.