K65.9

Applicable To

• Bacterial peritonitis NOS

Approximate Synonyms

• Epiploic appendagitis

• Fibrinous peritonitis

• Infectious peritonitis

• Peritoneal dialysis-associated peritonitis

• Peritonitis

• Peritonitis due to infected dialysis catheter

• Peritonitis due to infected peritoneal dialysis catheter

• Peritonitis due to peritoneal dialysis

• Peritonitis, fibrinous

• Peritonitis, infectious

Clinical Information

• Inflammation of the peritoneum tissue that lines the abdominal wall and covers most of the organs in the abdomen). Peritonitis can result from infection, injury, or certain diseases. Symptoms may include swelling of the abdomen, severe pain, and weight loss.

• Inflammation of the peritoneum due to infection by bacteria or fungi. Causes include liver disease, perforation of the gastrointestinal tract or biliary tract, and peritoneal dialysis. Patients usually present with abdominal pain and tenderness, fever, chills, and nausea and vomiting. It is an emergency medical condition that requires prompt medical attention and treatment.

• Inflammation of the peritoneum lining the abdominal cavity as the result of infectious, autoimmune, or chemical processes. Primary peritonitis is due to infection of the peritoneal cavity via hematogenous or lymphatic spread and without intra-abdominal source. Secondary peritonitis arises from the abdominal cavity itself through rupture or abscess of intra-abdominal organs.

• Inflammation of the peritoneum, a condition marked by exudations in the peritoneum of serum, fibrin, cells, and pus.

• Inflammation of the thin membrane surrounding abdominal cavity, called peritoneum

Details

• K65.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM K65.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of K65.9 – other international versions of ICD-10 K65.9 may differ.