I15.8

Billable

Other secondary hypertension

I15.8 is the ICD-10-CM code for Other secondary hypertension. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Parent
I15
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

What is blood pressure? Blood pressure is the force of your blood pushing against the walls of your arteries. Each time your heart beats, it pumps blood into the arteries. Your blood pressure is highest when your heart beats, pumping the blood. This is called systolic pressure. When your heart is at rest, between beats, your blood pressure falls. This is called diastolic pressure. Your blood pressure reading uses…

Read more about High Blood Pressure at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code I15.8?
I15.8 is the ICD-10-CM code for "Other secondary hypertension". It falls under I00-I99 Diseases of the circulatory system.
Is I15.8 a billable code?
Yes — I15.8 is a billable, specific ICD-10-CM code valid for reimbursement.

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

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