ICD-10 Coding for Perforated Appendicitis(K35.2X, K35.32, K35.32A)

Learn about ICD-10 coding for perforated appendicitis, including key codes, documentation requirements, and common pitfalls.

Also known as:
Ruptured AppendixAppendiceal Perforation
Related ICD-10 Code Ranges

Complete code families applicable to Perforated Appendicitis

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
K35.33Acute appendicitis with perforation, localized peritonitis, and abscess
K35.32Acute appendicitis with perforation and localized peritonitis, without abscess
K35.2XXAcute appendicitis with generalized peritonitis

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information

Essential facts and insights aboutPerforated Appendicitis

Differential Codes

Alternative codes to consider when ruling out similar conditions

Acute appendicitis with perforation and localized peritonitis, without abscessK35.32

Use when abscess is not present.

Acute appendicitis with perforation, localized peritonitis, and abscessK35.33

Use when abscess is present.

Documentation & Coding Risks

Avoid these common issues when documenting Perforated Appendicitis.

Vague documentation of 'serositis'

Impact

Clinical: May lead to incorrect clinical interpretation, Regulatory: Potential non-compliance with coding standards, Financial: Incorrect reimbursement due to misclassification

Mitigation

Educate clinicians on importance of specifying peritonitis, Implement documentation audits

Using K35.8 for unspecified appendicitis when perforation is documented

Impact

Reimbursement: May lead to incorrect DRG assignment and reimbursement, Compliance: Non-compliance with coding guidelines, Data Quality: Inaccurate clinical data representation

Mitigation

Query for clarification on peritonitis type and abscess presence.

Documentation specificity

Impact

Lack of specificity in documenting peritonitis type can lead to audit issues.

Mitigation

Ensure detailed operative notes and educate clinicians on documentation requirements.

Frequently Asked Questions