ICD-10-CM > O00-O9A > O09-O09 > O09 > O09.6 > O09.62 O09.62 Supervision of young multigravida Non-Billable/Non-Specific Codes O09.621Supervision of young multigravida, first trimesterO09.622Supervision of young multigravida, second trimesterO09.623Supervision of young multigravida, third trimesterO09.629Supervision of young multigravida, unspecified trimester