K35.3
Non-Billable
ChapterK00–K95
Ranksubcategory
Official Description
Acute appendicitis with localized peritonitis
Use a more specific code (4 billable)
K35.30Acute appendicitis with localized peritonitis, without perforation or gangreneK35.31Acute appendicitis with localized peritonitis and gangrene, without perforationK35.32Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscessK35.33Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
Metadata & Insights
- •Non-billable category (requires more specific sub-code).
- •Chapter 11: Diseases of the Digestive System (K00-K95).
General instructions are available for the parent sections:
Clinical Hierarchy
BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K35-K38Diseases of appendix (K35-K38)
K35Acute appendicitis
K35.3Acute appendicitis with localized peritonitisNot billable
K35.32Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscessBillable
K35.33Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscessBillable
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to K35.3:
Code History
MS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
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