O11.3Billable
Pre-existing hypertension with pre-eclampsia, third trimester
Short description: Pre-existing hypertension w pre-eclampsia, third trimester
- Chapter
- 15. Pregnancy, childbirth and the puerperium
- Category
- O11
- Effective date
- October 1, 2026
Related codes in category O11
O11Pre-existing hypertension with pre-eclampsiaO11.1Pre-existing hypertension w pre-eclampsia, first trimesterYesO11.2Pre-existing hypertension w pre-eclampsia, second trimesterYesO11.4Pre-existing htn with pre-eclampsia, comp childbirthYesO11.5Pre-existing htn with pre-eclampsia, comp the puerperiumYesO11.9Pre-existing hypertension with pre-eclampsia, unsp trimesterYes
Frequently asked questions
What is ICD-10 code O11.3?
O11.3 is an ICD-10-CM diagnosis code for Pre-existing hypertension with pre-eclampsia, third trimester.
Is O11.3 a billable code?
Yes. O11.3 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is O11.3 in?
O11.3 falls under Chapter 15: Pregnancy, childbirth and the puerperium.
When did O11.3 become effective?
O11.3 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to O11.3?
O11.3 belongs to category O11, which includes 6 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.