DocScrib
How it WorksPricingBlog
Sign InSign UpBook a Demo
DocScrib

AI-powered medical documentation platform streamlining healthcare workflows through intelligent transcription and clinical note generation.

Book a Demo

Product

  • Medical Templates
  • Pricing
  • Integrations
  • Security & Compliance

Resources

  • Blog
  • Documentation
  • Case Studies

Contact

  • support@docscrib.com
  • +1 (555) 123-4567
  • 123 Healthcare Blvd
    Medical District, CA 90210
© 2025 DocScrib. All rights reserved.
Privacy PolicyTerms of ServiceCookie Policy
Home/Diagnosis/ICD-10 Coding for Appendicitis

ICD-10 Coding for Appendicitis

K35.2
K35.3
K35.8

Complete ICD-10-CM coding and documentation guide for icd-10 coding for appendicitis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Acute Appendicitis
Ruptured Appendix
Join 10,000+ Happy Clinicians

The AI Medical Scribe for Happiest Clinicians

Save 2+ hours daily with instant clinical documentation.
Our AI scribe listens, understands, and generates comprehensive medical notes so you can focus on patient care.

Start Free Trial
No credit card required•HIPAA compliant
Recording Controls
Start recording to see live transcription
Live Conversation - Try For Free!
Real-time transcription with automatic speaker identification

Ready to Record

Start recording to see live conversation transcription

Key Information: ICD-10 Coding for Appendicitis

Essential facts and insights about ICD-10 Coding for Appendicitis

Use ICD-10 code K35.2 for acute appendicitis with generalized peritonitis, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Acute appendicitis with generalized peritonitis

Non-Billable
K35.2
Non-Billable

Diagnostic Criteria

  • • Generalized peritonitis confirmed by imaging or surgery.

Applicable To

  • • Ruptured appendix with peritonitis

Important Notes

  • • Ensure documentation specifies the extent of peritonitis.

Acute appendicitis with localized peritonitis

Non-Billable
K35.3
Non-Billable

Diagnostic Criteria

  • • Use when inflammation is confined to the appendix.

Applicable To

  • • Appendicitis with localized inflammatory changes

Important Notes

  • • Document the extent of inflammation clearly.

Other acute appendicitis

Non-Billable
K35.8
Non-Billable

Diagnostic Criteria

  • • Use for atypical presentations not fitting other specific codes.

Applicable To

  • • Atypical presentations such as serositis without confirmed peritonitis

Important Notes

  • • Ensure documentation supports atypical presentation.
Ancillary Codes

Additional codes that may be used with this diagnosis

R10.31

Right lower quadrant pain

Use to document associated symptoms.

R10.813

Right lower quadrant tenderness

Use to document physical exam findings.

R10.823

Rebound tenderness

Use to document rebound tenderness findings.

Frequently Asked Questions

What is the ICD-10 code for appendicitis with generalized peritonitis?

The ICD-10 code for appendicitis with generalized peritonitis is K35.2. This code is used when imaging or surgical findings confirm the presence of generalized peritonitis.

How do you code appendicitis in pregnancy?

For appendicitis in pregnancy, use O99.61x first, followed by the appropriate appendicitis code such as K35.2 or K35.3, depending on the presence of peritonitis.

Quick Navigation
All DiagnosesICD-10 Codes

Related Resources

How Medical Coding WorksBrowse All Codes