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I16

Non-billable

Hypertensive crisis

I16 is the ICD-10-CM code for Hypertensive crisis. It is a non-billable category code — use a more specific child code such as I16.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
3
Edition
FY2026

I00-I99 Diseases of the circulatory system

Notes

  • •any identified hypertensive disease (I10-I15, I1A)

Frequently asked questions

What is ICD-10 code I16?
I16 is the ICD-10-CM code for "Hypertensive crisis". It falls under I00-I99 Diseases of the circulatory system.
Is I16 a billable code?
No — I16 is a non-billable header code. Use a more specific child code (such as I16.0) for billing.
What are the subcodes of I16?
I16 has 3 more specific child codes, including I16.0, I16.1, I16.9.

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

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