T81.520Header code — not billable

Obstruction due to foreign body accidentally left in body following surgical operation

Short description: Obst due to fb acc left in body following surgical operation

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

Related codes in category T81

T81Complications of procedures, not elsewhere classifiedT81.1Postprocedural shockT81.10Postprocedural shock unspecifiedT81.10XAPostprocedural shock unspecified, initial encounterYesT81.10XDPostprocedural shock unspecified, subsequent encounterYesT81.10XSPostprocedural shock unspecified, sequelaYesT81.11Postprocedural cardiogenic shockT81.11XAPostprocedural cardiogenic shock, initial encounterYesT81.11XDPostprocedural cardiogenic shock, subsequent encounterYesT81.11XSPostprocedural cardiogenic shock, sequelaYesT81.12Postprocedural septic shockT81.12XAPostprocedural septic shock, initial encounterYes

Frequently asked questions

What is ICD-10 code T81.520?

T81.520 is an ICD-10-CM diagnosis code for Obstruction due to foreign body accidentally left in body following surgical operation.

Is T81.520 a billable code?

No. T81.520 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 T81.520 in?

T81.520 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T81.520 become effective?

T81.520 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T81.520?

T81.520 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.