ICD-10-CM > O00-O9A > O20-O29 > O26 > O26.6 > O26.61 O26.61 Liver and biliary tract disorders in pregnancy Non-Billable/Non-Specific Codes O26.611Liver and biliary tract disorders in pregnancy, first trimesterO26.612Liver and biliary tract disorders in pregnancy, second trimesterO26.613Liver and biliary tract disorders in pregnancy, third trimesterO26.619Liver and biliary tract disorders in pregnancy, unspecified trimester