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I10

Billable

Essential (primary) hypertension

I10 is the ICD-10-CM code for Essential (primary) hypertension. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Edition
FY2026

I00-I99 Diseases of the circulatory system

Includes

  • •high blood pressure
  • •hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)

Excludes1 — not coded here

  • •hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)

Excludes2 — not included here

  • •essential (primary) hypertension involving vessels of brain (I60-I69)
  • •essential (primary) hypertension involving vessels of eye (H35.0-)

Frequently asked questions

What is ICD-10 code I10?
I10 is the ICD-10-CM code for "Essential (primary) hypertension". It falls under I00-I99 Diseases of the circulatory system.
Is I10 a billable code?
Yes — I10 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from I10?
Excludes1 (not coded here): hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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