I15
Non-billableSecondary hypertension
I15 is the ICD-10-CM code for Secondary hypertension. It is a non-billable category code — use a more specific child code such as I15.0 for billing.
- Status
- Header (non-billable)
- Chapter
- I00-I99
- Subcodes
- 5
- Edition
- FY2026
I00-I99 Diseases of the circulatory system
Excludes1 — not coded here
- •postprocedural hypertension (I97.3)
Excludes2 — not included here
Notes
- •underlying condition
Frequently asked questions
- What is ICD-10 code I15?
- I15 is the ICD-10-CM code for "Secondary hypertension". It falls under I00-I99 Diseases of the circulatory system.
- Is I15 a billable code?
- No — I15 is a non-billable header code. Use a more specific child code (such as I15.0) for billing.
- What is excluded from I15?
- Excludes1 (not coded here): postprocedural hypertension (I97.3).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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