R18.0
Malignant ascites
Clinical Information
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A condition in which fluid containing cancer cells collects in the abdomen.
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Accumulation of fluid in the peritoneal cavity resulting from the growth of primary or metastatic malignant neoplasms in the peritoneum.
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Effusion and accumulation of cancerous serous fluid within the peritoneal cavity.
Details
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R18.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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The 2023 edition of ICD-10-CM R18.0 became effective on October 1, 2022.
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This is the American ICD-10-CM version of R18.0 – other international versions of ICD-10 R18.0 may differ.