At a Glance
Why Get Tested?
To help diagnose the cause of peritonitis and/or peritoneal fluid accumulation (ascites)
When to Get Tested?
When a doctor suspects that someone with abdominal pain and swelling, nausea, and/or fever has a condition associated with inflammation of the peritoneum (peritonitis) or peritoneal fluid accumulation
A peritoneal fluid sample obtained by inserting a needle into the abdominal cavity