I10Billable
Essential (primary) hypertension
- Chapter
- 9. Diseases of the circulatory system
- Category
- I10
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code I10?
I10 is an ICD-10-CM diagnosis code for Essential (primary) hypertension.
Is I10 a billable code?
Yes. I10 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is I10 in?
I10 falls under Chapter 9: Diseases of the circulatory system.
When did I10 become effective?
I10 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.