ICD-10-CM Code K35: Acute appendicitis and Related Diagnosis Codes.

The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • K35 - Acute appendicitis
    • K35.2 - Acute appendicitis with generalized peritonitis
      • K35.20 - Acute appendicitis with generalized peritonitis, without abscess
        • K35.200 - Acute appendicitis with generalized peritonitis, without perforation or abscess
        • K35.201 - Acute appendicitis with generalized peritonitis, with perforation, without abscess
        • K35.209 - Acute appendicitis with generalized peritonitis, without abscess, unspecified as to perforation
      • K35.21 - Acute appendicitis with generalized peritonitis, with abscess
        • K35.210 - Acute appendicitis with generalized peritonitis, without perforation, with abscess
        • K35.211 - Acute appendicitis with generalized peritonitis, with perforation and abscess
        • K35.219 - Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation
    • 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
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Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.