ICD-10-CM>K00-K95>K65-K6A>K66K66Other disorders of peritoneumNon-Billable/Non-SpecificType 2 Excludesascites (R18.-)peritoneal effusion (chronic) (R18.8)CodesK66.0Peritoneal adhesions (postprocedural) (postinfection)K66.1HemoperitoneumK66.8Other specified disorders of peritoneumK66.9Disorder of peritoneum, unspecified