Acute appendicitis (K35)

Browse all the diagnosis codes used for acute appendicitis (k35). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.
  • Diseases of the digestive system (K00–K95)

    • Diseases of appendix (K35-K38)

        • Acute appendicitis (K35)

        • K35 Acute appendicitis
        • K35.2 Acute appendicitis with generalized peritonitis
        • K35.20 Acute appendicitis with generalized peritonitis, without abscess NEW CODE
        • K35.200 Acute appendicitis with generalized peritonitis, without perforation or abscess NEW CODE
        • K35.201 Acute appendicitis with generalized peritonitis, with perforation, without abscess NEW CODE
        • K35.209 Acute appendicitis with generalized peritonitis, without abscess, unspecified as to perforation NEW CODE
        • K35.21 Acute appendicitis with generalized peritonitis, with abscess NEW CODE
        • K35.210 Acute appendicitis with generalized peritonitis, without perforation, with abscess NEW CODE
        • K35.211 Acute appendicitis with generalized peritonitis, with perforation and abscess NEW CODE
        • K35.219 Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation NEW CODE
        • K35.3 Acute appendicitis with localized peritonitis
        • K35.30 Acute appendicitis with localized peritonitis, without perforation or gangrene
        • K35.31 Acute appendicitis with localized peritonitis and gangrene, without perforation
        • K35.32 Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess
        • K35.33 Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
        • K35.8 Other and unspecified acute appendicitis
        • K35.80 Unspecified acute appendicitis
        • K35.89 Other acute appendicitis
        • K35.890 Other acute appendicitis without perforation or gangrene
        • K35.891 Other acute appendicitis without perforation, with gangrene