K35.21 Acute appendicitis with generalized peritonitis, with abscess

Non-billable header with 3 child codes.

Codes under K35.21

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

Code annotations containing back-references to K35.21

Back-references to K35.2

• Type 1 Excludes: K37 Unspecified appendicitis ("unspecified appendicitis with peritonitis (K35.2-, K35.3-)")
• Type 2 Excludes: K63.1 Perforation of intestine (nontraumatic) ("perforation (nontraumatic) of appendix (K35.2-, K35.3-)")
• Type 1 Excludes: K65 Peritonitis ("acute appendicitis with generalized peritonitis (K35.2-)")

Back-references to K35

• Type 1 Excludes: K65 Peritonitis ("peritonitis with or following appendicitis (K35.-)")

Nearby codes

• K35.2 Acute appendicitis with generalized peritonitis
• K35.20 Acute appendicitis with generalized peritonitis, without abscess
• K35.200 Acute appendicitis with generalized peritonitis, without perforation or abscess
• K35.201 Acute appendicitis with generalized peritonitis, with perforation, without abscess
• K35.209 Acute appendicitis with generalized peritonitis, without abscess, unspecified as to perforation
• K35.21 Acute appendicitis with generalized peritonitis, with abscess (this code)
• K35.210 Acute appendicitis with generalized peritonitis, without perforation, with abscess
• K35.211 Acute appendicitis with generalized peritonitis, with perforation and abscess
• K35.219 Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation
• K35.3 Acute appendicitis with localized peritonitis
• K35.30 Acute appendicitis with localized peritonitis, without perforation or gangrene