Is I13 a billable ICD-10-CM code?

No. I13 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does I13 sit in the tabular list?

Diseases of the circulatory system (I00-I99), in the block Hypertensive diseases (I10-I1A).

I13

I13 — Hypertensive heart and chronic kidney disease

Non-billable headerICD-10-CM

I13 is a non-billable header ICD-10-CM code for hypertensive heart and chronic kidney disease. It cannot be billed on its own: choose one of the more specific child codes below.

Includes

Conditions this code covers.

any condition in I11.- with any condition in I12.-
cardiorenal disease
cardiovascular renal disease

Other codes that can never be billed with I13

These codes carry an Excludes1 note pointing at I13. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading I13 alone.

I51.5Myocardial degeneration
I51.7Cardiomegaly

Risk adjustment

I13 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

The condition this code belongs to

Every code for the condition on one page, which one applies when, and the mistake coders make with it.

Hypertension ICD-10 codes

Code history

I13 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead I13

3 child codes. Green means billable.

Questions about I13

Is I13 a billable ICD-10-CM code?: No. I13 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does I13 sit in the tabular list?: Diseases of the circulatory system (I00-I99), in the block Hypertensive diseases (I10-I1A).