2013 ICD-9-CM Diagnosis Code 789.5
- effusion and accumulation of serous fluid in the abdominal cavity.
- (ah-SYE-teez) Abnormal buildup of fluid in the abdomen.
- Accumulation of fluid in the peritoneal cavity. The fluid may be serous, hemorrhagic, or the result of tumor metastasis to the peritoneum. -- 2004
- There are 2 ICD-9-CM codes below 789.5 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.