I15

I15: Secondary hypertension

Non-billable headerICD-10-CM

I15 is a non-billable header ICD-10-CM code for secondary hypertension. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

postprocedural hypertension (I97.3)

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

secondary hypertension involving vessels of brain (I60-I69)
secondary hypertension involving vessels of eye (H35.0-)

Code also

Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.

underlying condition

Other codes that can never be billed with I15

Their own Excludes1 notes name this code, so the conflict is not listed above.

I12Hypertensive chronic kidney disease

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead I15

5 child codes. Green means billable.