O09 - Supervision of high risk pregnancy
O09.7 - Supervision of high risk pregnancy due to social problems
O09.70 - Supervision of high risk pregnancy due to social problems, unspecified trimester
O09.71 - Supervision of high risk pregnancy due to social problems, first trimester
O09.72 - Supervision of high risk pregnancy due to social problems, second trimester
O09.73 - Supervision of high risk pregnancy due to social problems, third trimester