K35

Non-Billable

Acute appendicitis

K35 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

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