ICD-10-CM code "K35.21": Acute appendicitis with generalized peritonitis, with abscess (2024)

Excludes

1. Diseases of the digestive system (K00-K95)

   Type 2certain conditions originating in the perinatal period (P04-P96)

   Type 2certain infectious and parasitic diseases (A00-B99)

   Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

   Type 2congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

   Type 2endocrine, nutritional and metabolic diseases (E00-E88)

   Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

   Type 2neoplasms (C00-D49)

   Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

2. Diseases of appendix (K35-K38)
3. Acute appendicitis (K35)
4. Acute appendicitis with generalized peritonitis (K35.2)
5. Acute appendicitis with generalized peritonitis, with abscess (K35.21)

Includes

1. Diseases of the digestive system (K00-K95)
2. Diseases of appendix (K35-K38)
3. Acute appendicitis (K35)
4. Acute appendicitis with generalized peritonitis (K35.2)
5. Acute appendicitis with generalized peritonitis, with abscess (K35.21)

Subcategories

• Acute appendicitis with generalized peritonitis, without perforation, with abscess (K35.210)
• Acute appendicitis with generalized peritonitis, with perforation and abscess (K35.211)
• Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation (K35.219)