Home > 2013 ICD-9-CM Diagnosis Codes > Diseases Of The Digestive System 520-579 > Appendicitis 540-543 > Acute appendicitis 540-
2013 ICD-9-CM Diagnosis Code 540.0
Acute appendicitis with generalized peritonitis
- ICD-9-CM 540.0 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
540.0 Excludes 
- acute appendicitis with peritoneal abscess (540.1
)
Applies To
- Appendicitis (acute) with: perforation, peritonitis (generalized), rupture:
- fulminating
- gangrenous
- obstructive
- Cecitis (acute) with: perforation, peritonitis (generalized), rupture
- Rupture of appendix
Convert 540.0 to ICD-10-CM
ICD-9-CM 540.0 converts directly to:
- 2013 ICD-10-CM K35.2 Acute appendicitis with generalized peritonitis
ICD-9-CM Volume 2 Index entries containing back-references to 540.0:
- Appendicitis 541
with
- 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
- Rupture, ruptured 553.9
- appendix (with peritonitis) 540.0
- with peritoneal abscess 540.1
- traumatic - see Injury, internal, gastrointestinal tract
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 540.0 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2013 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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