ICD-10-CM > O00-O9A > O09-O09 > O09 > O09.5 O09.5 Supervision of elderly primigravida and multigravida Non-Billable/Non-Specific Applicable To Pregnancy for a female 35 years and older at expected date of delivery Codes O09.51Supervision of elderly primigravidaO09.511Supervision of elderly primigravida, first trimesterO09.512Supervision of elderly primigravida, second trimesterO09.513Supervision of elderly primigravida, third trimesterO09.519Supervision of elderly primigravida, unspecified trimesterO09.52Supervision of elderly multigravidaO09.521Supervision of elderly multigravida, first trimesterO09.522Supervision of elderly multigravida, second trimesterO09.523Supervision of elderly multigravida, third trimesterO09.529Supervision of elderly multigravida, unspecified trimester