O09.9 - Supervision of high risk pregnancy, unspecified O09 - Supervision of high risk pregnancy O09.9 - Supervision of high risk pregnancy, unspecified
O09.90 - Supervision of high risk pregnancy, unspecified, unspecified trimester O09.91 - Supervision of high risk pregnancy, unspecified, first trimester O09.92 - Supervision of high risk pregnancy, unspecified, second trimester O09.93 - Supervision of high risk pregnancy, unspecified, third trimester