Complete ICD-10-CM coding and documentation guide for icd-10 coding for malignant ascites includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Malignant Ascites
Use ICD-10 code R18.0 for malignant ascites, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Malignant neoplasm of ovary
Code first if ovarian cancer is the primary cause of ascites.
Secondary malignant neoplasm of retroperitoneum and peritoneum
Code first if peritoneal metastasis is the primary cause of ascites.
The ICD-10 code for malignant ascites is R18.0, which should be used alongside the code for the underlying malignancy.
Document malignant ascites by linking it to the primary cancer, including cytology results and VEGF levels.