ICD-10-CM > O00-O9A > O09-O09 > O09 > O09.5 > O09.52 O09.52 Supervision of elderly multigravida Non-Billable/Non-Specific Codes O09.521Supervision of elderly multigravida, first trimesterO09.522Supervision of elderly multigravida, second trimesterO09.523Supervision of elderly multigravida, third trimesterO09.529Supervision of elderly multigravida, unspecified trimester