ICD-10-CM > E00-E89 > E70-E88 > E78 > E78.7 E78.7 Disorders of bile acid and cholesterol metabolism Non-Billable/Non-Specific Type 1 Excludes Niemann-Pick disease type C (E75.242) Codes E78.70Disorder of bile acid and cholesterol metabolism, unspecifiedE78.71Barth syndromeE78.72Smith-Lemli-Opitz syndromeE78.79Other disorders of bile acid and cholesterol metabolism