T81.31Header code — not billable

Disruption of external operation (surgical) wound, not elsewhere classified

Short description: Disruption of external operation (surgical) wound, NEC

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T81
Effective date
October 1, 2026

Related codes in category T81

Frequently asked questions

What is ICD-10 code T81.31?

T81.31 is an ICD-10-CM diagnosis code for Disruption of external operation (surgical) wound, not elsewhere classified.

Is T81.31 a billable code?

No. T81.31 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is T81.31 in?

T81.31 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T81.31 become effective?

T81.31 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T81.31?

T81.31 belongs to category T81, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.