O15.0Header code — not billable
Eclampsia complicating pregnancy
- Chapter
- 15. Pregnancy, childbirth and the puerperium
- Category
- O15
- Effective date
- October 1, 2026
Related codes in category O15
O15EclampsiaO15.00Eclampsia complicating pregnancy, unspecified trimesterYesO15.02Eclampsia complicating pregnancy, second trimesterYesO15.03Eclampsia complicating pregnancy, third trimesterYesO15.1Eclampsia complicating laborYesO15.2Eclampsia complicating the puerperiumYesO15.9Eclampsia, unspecified as to time periodYes
Frequently asked questions
What is ICD-10 code O15.0?
O15.0 is an ICD-10-CM diagnosis code for Eclampsia complicating pregnancy.
Is O15.0 a billable code?
No. O15.0 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is O15.0 in?
O15.0 falls under Chapter 15: Pregnancy, childbirth and the puerperium.
When did O15.0 become effective?
O15.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to O15.0?
O15.0 belongs to category O15, which includes 7 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.