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K65

Peritonitis

• if applicable diverticular disease of intestine (K57.-)

• acute appendicitis with generalized peritonitis (K35.2-)
• aseptic peritonitis (T81.6)
• benign paroxysmal peritonitis (E85.0)
• chemical peritonitis (T81.6)
• gonococcal peritonitis (A54.85)
• neonatal peritonitis (P78.0-P78.1)
• pelvic peritonitis, female (N73.3-N73.5)
• periodic familial peritonitis (E85.0)
• peritonitis due to talc or other foreign substance (T81.6)
• peritonitis in chlamydia (A74.81)
• peritonitis in diphtheria (A36.89)
• peritonitis in syphilis (late) (A52.74)
• peritonitis in tuberculosis (A18.31)
• peritonitis with or following abortion or ectopic or molar pregnancy (O00-O07, O08.0)
• peritonitis with or following appendicitis (K35.-)
• puerperal peritonitis (O85)
• retroperitoneal infections (K68.-)

K65.0

Generalized (acute) peritonitis

• Pelvic peritonitis (acute), male
• Subphrenic peritonitis (acute)
• Suppurative peritonitis (acute)

K65.1

Peritoneal abscess

• Abdominopelvic abscess
• Abscess (of) omentum
• Abscess (of) peritoneum
• Mesenteric abscess
• Retrocecal abscess
• Subdiaphragmatic abscess
• Subhepatic abscess
• Subphrenic abscess

K65.2

Spontaneous bacterial peritonitis

• bacterial peritonitis NOS (K65.9)

K65.3

Choleperitonitis

• Peritonitis due to bile

K65.4

Sclerosing mesenteritis

• Fat necrosis of peritoneum
• (Idiopathic) sclerosing mesenteric fibrosis
• Mesenteric lipodystrophy
• Mesenteric panniculitis
• Retractile mesenteritis

K65.8

Other peritonitis

• Chronic proliferative peritonitis
• Peritonitis due to urine

K65.9

Peritonitis, unspecified

• Bacterial peritonitis NOS