I10 Essential (primary) hypertension

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Essential (primary) hypertension

What does this mean?

Essential (primary) hypertension. High blood pressure with no clear cause. It is the most common type of hypertension. Lifestyle changes and medication can help manage it.

I10BillableFY 2026Chapter 9

Essential (primary) hypertension

Includes: high blood pressure; hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
Excludes1: hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
Excludes2: essential (primary) hypertension involving vessels of brain (I60-I69); essential (primary) hypertension involving vessels of eye (H35.0-)

Code classification

9 — Diseases of the circulatory system (I00-I99)
I10-I1A — Hypertensive diseases (I10-I1A)
I10 — Current code

Related terminologies

ORPHA identifiers (rare diseases)

This ICD-10 code maps to the following rare disease(s) in the Orphanet nomenclature:

ORPHA CodeDisease Name
ORPHA:243761NON RARE IN EUROPE: Essential hypertension

Data from Orphadata (CC BY 4.0). orpha.net

Other coding systems

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LOINC codes|RxNorm

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Code hierarchy

I10Essential (primary) hypertensionBillable

ICD-10-CM data from CDC National Center for Health Statistics. For reference only. Disclaimer

Data accuracy: ICD-10-CM data from official public domain sources (CDC NCHS, CMS, NLM). For reference and coding assistance.

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