Diagnosis Code: 540.0

Short Description: Ac append w peritonitis

Long Description: Acute appendicitis with generalized peritonitis

Code Classification:

• Diseases of the digestive system (520–579)
  • Appendicitis (540-543)
    • 540 Acute appendicitis
      • 540.0 Ac append w peritonitis

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 540.0 has the following ICD-9-CM references to the Index of Diseases and Injuries

• 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

Crosswalk Information

The code 540.0 converts into the following ICD-10 code(s):

Similar Codes

This page was last updated on: 10/1/2014

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