T81.61 Aseptic peritonitis due to foreign substance accidentally left during a procedure

✓ Billable ICD-10-CM 2026
Create your free account → Open T81.61 in the app →

Get what a quick lookup can't: the AI assistant for official-guideline questions, HCC risk-adjustment mappings (CMS-HCC V24/V28, RxHCC), FDA drug indications, and AHA Coding Clinic references for T81.61.

The ICD-10-CM code for Aseptic peritonitis due to foreign substance accidentally left during a procedure is T81.61 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
T80-T88: Complications of surgical and medical care, not elsewhere classified (T80-T88)
Category T81
95 codes (80 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to T81.61:

  • Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) › aseptic
  • Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) › chemical
  • Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) › talc
  • Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) › due to › talc
  • Foreign body › accidentally left following a procedure › causing › aseptic peritonitis
  • Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) › due to › foreign › substance accidentally left during a procedure (chemical) (powder) (talc)
  • Reaction › foreign › substance accidentally left during a procedure (chemical) (powder) (talc) › aseptic peritonitis
  • Foreign body › accidentally left following a procedure › causing › acute reaction › aseptic peritonitis

Inclusion Terms

  • Chemical peritonitis

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference T81.61 with the canonical source and edition:

T81.61 — Aseptic peritonitis due to foreign substance accidentally left during a procedure. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/T81.61

Canonical URL: https://icd10codingpro.com/codes/T81.61

Related Codes

Search all 70,000+ ICD-10-CM codes →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial