ICD-10-CM > I00-I99 > I26-I28 > I27 > I27.8 > I27.84 I27.84 Fontan related circulation Non-Billable/Non-Specific Codes I27.840Fontan-associated liver disease [FALD]I27.841Fontan-associated lymphatic dysfunctionI27.848Other Fontan-associated conditionI27.849Fontan related circulation, unspecified