O15.00Billable

Eclampsia complicating pregnancy, unspecified trimester

Chapter
15. Pregnancy, childbirth and the puerperium
Category
O15
Effective date
October 1, 2026

Related codes in category O15

O15EclampsiaO15.0Eclampsia complicating pregnancyO15.02Eclampsia 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 O15.00?

O15.00 is an ICD-10-CM diagnosis code for Eclampsia complicating pregnancy, unspecified trimester.

Is O15.00 a billable code?

Yes. O15.00 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is O15.00 in?

O15.00 falls under Chapter 15: Pregnancy, childbirth and the puerperium.

When did O15.00 become effective?

O15.00 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to O15.00?

O15.00 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.