O10.013Billable

Pre-existing essential hypertension complicating pregnancy, third trimester

Short description: Pre-existing essential htn comp pregnancy, third trimester

Chapter
15. Pregnancy, childbirth and the puerperium
Category
O10
Effective date
October 1, 2026

Related codes in category O10

Frequently asked questions

What is ICD-10 code O10.013?

O10.013 is an ICD-10-CM diagnosis code for Pre-existing essential hypertension complicating pregnancy, third trimester.

Is O10.013 a billable code?

Yes. O10.013 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is O10.013 in?

O10.013 falls under Chapter 15: Pregnancy, childbirth and the puerperium.

When did O10.013 become effective?

O10.013 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to O10.013?

O10.013 belongs to category O10, 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.