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2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Appendicitis 540-543 > Acute Appendicitis 540.* >

2008 ICD-9-CM Diagnosis 540.0

Acute appendicitis with generalized peritonitis

 On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.

The 2009 version of ICD-9-CM 540.0 can be accessed here.

  • 540.0 is a specific code that can be used to specify a diagnosis
  • 540.0 contains 7 index entries
  • View the ICD-9-CM Volume 1 540.* hierarchy

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540.0 also known as:

  • Appendicitis (acute) with: perforation, peritonitis (generalized), rupture:
    • fulminating
    • gangrenous
    • obstructive
  • Cecitis (acute) with: perforation, peritonitis (generalized), rupture
  • Rupture of appendix

540.0 excludes:

  • acute appendicitis with peritoneal abscess (540.1)


Index entries containing 540.0:

Appendicitis 541
  • with
    • perforation, peritonitis (generalized), or rupture 540.0
      • with peritoneal abscess 540.1
  • acute (catarrhal) (fulminating) (gangrenous) (inflammatory) (obstructive) (retrocecal) (suppurative) 540.9
    • with
      • perforation, peritonitis, or rupture 540.0
        • with peritoneal abscess 540.1
Perforation, perforative (nontraumatic)
  • appendix 540.0
    • with peritoneal abscess 540.1
  • cecum 540.0
    • with peritoneal abscess 540.1
Peritonitis (acute) (adhesive) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) 567.9
  • with or following
    • appendicitis 540.0
      • with peritoneal abscess 540.1
Rupture, ruptured 553.9
  • appendix (with peritonitis) 540.0
    • with peritoneal abscess 540.1
    • traumatic - see Injury, internal, gastrointestinal tract
  • cecum (with peritonitis) 540.0