ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesChapter 11: Diseases of the digestive systemK67

K67

Billable

Disorders of peritoneum in infectious diseases classified elsewhere

Chapter 11:Diseases of the digestive system

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K67 is a billable code used to indicate a diagnosis of disorders of peritoneum in infectious diseases classified elsewhere.

Key Diagnostic Point:

K67 refers to disorders of the peritoneum that arise in the context of infectious diseases classified elsewhere. The peritoneum is a serous membrane that lines the abdominal cavity and covers the abdominal organs. Conditions leading to K67 may include peritonitis secondary to appendicitis, diverticulitis, or perforated viscus, where infectious agents invade the peritoneal cavity, causing inflammation. Clinically, patients may present with abdominal pain, fever, nausea, vomiting, and signs of peritoneal irritation such as rebound tenderness. Disease progression can lead to severe complications, including sepsis and multi-organ failure if not promptly treated. Diagnostic considerations often involve imaging studies like ultrasound or CT scans to identify fluid collections or abscesses, along with laboratory tests to identify the causative pathogens. Timely diagnosis and intervention are critical to prevent morbidity and mortality associated with these conditions.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires understanding of underlying infectious diseases and their manifestations.
  • Treatment complexity: Management may involve surgical intervention and antibiotic therapy.
  • Documentation requirements: Detailed clinical notes and diagnostic imaging reports are essential.
  • Coding specificity: Requires accurate identification of the underlying infectious condition.

Audit Risk Factors

  • Common coding errors: Misidentifying the primary infectious disease leading to peritoneal involvement.
  • Documentation gaps: Incomplete clinical notes regarding the infectious etiology.
  • Billing challenges: Potential denials if the link between the infection and peritoneal disorder is not clearly documented.

Specialty Focus

Medical Specialties

Primary medical specialty: Gastroenterology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Secondary specialty: Infectious Disease

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical significance of K67 lies in its association with potentially life-threatening conditions such as sepsis and multi-organ failure. Understanding the epidemiology of infectious diseases leading to peritoneal disorders can help in population health management. Quality measures may include timely diagnosis and treatment of peritonitis, which can significantly impact healthcare utilization patterns and improve patient outcomes.

ICD-9 vs ICD-10

The clinical significance of K67 lies in its association with potentially life-threatening conditions such as sepsis and multi-organ failure. Understanding the epidemiology of infectious diseases leading to peritoneal disorders can help in population health management. Quality measures may include timely diagnosis and treatment of peritonitis, which can significantly impact healthcare utilization patterns and improve patient outcomes.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the condition and the complexity of treatment provided. Common denials may arise from insufficient documentation linking the infection to the peritoneal disorder. Coders should ensure that all relevant clinical notes, imaging studies, and laboratory results are included in the patient's medical record to support the claim and avoid billing challenges.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K67?

K67 encompasses disorders such as peritonitis due to appendicitis, diverticulitis, and other infectious processes that lead to peritoneal inflammation. It is essential to identify the underlying infectious disease for accurate coding.

When should K67 be used instead of related codes?

K67 should be used when the peritoneal disorder is a direct result of an infectious disease classified elsewhere, distinguishing it from codes that describe primary peritoneal conditions.

What documentation supports K67?

Documentation should include clinical findings, imaging results, laboratory tests confirming the infectious etiology, and treatment plans. Clear linkage between the infection and peritoneal involvement is crucial.