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K35.2

⚠ Non-billable (Header)

Acute appendicitis with generalized peritonitis

Diseases of the digestive system (K00-K95)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✅ No additional coding notes for K35.2

Child Codes (2)

K35.20Acute appendicitis with generalized peritonitis, without abscessK35.21Acute appendicitis with generalized peritonitis, with abscess

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Code Information

CodeK35.2
BillableNo — Header code
ParentK35
CategoryDiseases of the digestive system (K00-K95)
Excludes10 rule(s)
Excludes20 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)