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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 540.1

Acute appendicitis with peritoneal abscess

  • 540.1 is a specific code that can be used to specify a diagnosis
  • 540.1 contains 21 index entries
  • View the ICD-9-CM Volume 1 540.* hierarchy

540.1 also known as:

  • Abscess of appendix
    • With generalized peritonitis


Index entries containing 540.1:

Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
  • appendix 540.1
  • cecum 569.5
    • with appendicitis 540.1
  • ileocecal 540.1
  • iliac (region) 682.2
    • fossa 540.1
  • periappendiceal 540.1
  • pericecal 540.1
  • peritoneum, peritoneal (perforated) (ruptured) 567.22
    • with
      • appendicitis 540.1
  • perityphlic 540.1
  • postcecal 540.1
  • subcecal 540.1
  • vermiform appendix 540.1
Appendicitis 541
  • with
    • perforation, peritonitis (generalized), or rupture 540.0
      • with peritoneal abscess 540.1
    • 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
      • 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
Phlegmon (see also Abscess) 682.9Rupture, ruptured 553.9
  • appendix (with peritonitis) 540.0
    • with peritoneal abscess 540.1
  • cecum (with peritonitis) 540.0
    • with peritoneal abscess 540.1