O09.521Billable
Supervision of elderly multigravida, first trimester
- Chapter
- 15. Pregnancy, childbirth and the puerperium
- Category
- O09
- Effective date
- October 1, 2026
Related codes in category O09
O09Supervision of high risk pregnancyO09.0Supervision of pregnancy with history of infertilityO09.00Suprvsn of preg w history of infertility, unsp trimesterYesO09.01Suprvsn of preg w history of infertility, first trimesterYesO09.02Suprvsn of preg w history of infertility, second trimesterYesO09.03Suprvsn of preg w history of infertility, third trimesterYesO09.1Supervision of pregnancy with history of ectopic pregnancyO09.10Suprvsn of preg with history of ectopic preg, unsp trimesterYesO09.11Suprvsn of preg with history of ectopic preg, first triYesO09.12Suprvsn of preg with history of ectopic preg, second triYesO09.13Suprvsn of preg with history of ectopic preg, third triYesO09.2Suprvsn of pregnancy w poor reprodctv or obstetric history
Frequently asked questions
What is ICD-10 code O09.521?
O09.521 is an ICD-10-CM diagnosis code for Supervision of elderly multigravida, first trimester.
Is O09.521 a billable code?
Yes. O09.521 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is O09.521 in?
O09.521 falls under Chapter 15: Pregnancy, childbirth and the puerperium.
When did O09.521 become effective?
O09.521 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to O09.521?
O09.521 belongs to category O09, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.