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T81.329S

T81.329SDeep 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.

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

Risk adjustment

T81.329S does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

T81.329S is named in 10 Medicare coverage policies 10 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • 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

Related codes at this level

Codes that share T81.329. If T81.329S is not quite right, the correct code is usually one of these.

Questions about T81.329S

Is T81.329S a billable ICD-10-CM code?
Yes. T81.329S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T81.329S sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).
ICD-10-CMFY2026-Apr· effective April 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.