2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Appendicitis 540-543 > Acute Appendicitis 540.* > 2006 ICD-9-CM Diagnosis 540.0 Acute appendicitis with generalized peritonitis View the most recent version of ICD-9-CM 540.0 540.0 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 Alternate Terminology 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 with peritoneal abscess 540.1 traumatic 863.89 with open wound into cavity 863.99