ICD-10-CM>R00-R99>R10-R19>R18R18AscitesNon-Billable/Non-SpecificIncludesfluid in peritoneal cavityType 1 Excludesascites in alcoholic cirrhosis (K70.31)ascites in alcoholic hepatitis (K70.11)ascites in toxic liver disease with chronic active hepatitis (K71.51)CodesR18.0Malignant ascitesR18.8Other ascites