Is I45 a billable ICD-10-CM code?

No. I45 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does I45 sit in the tabular list?

Diseases of the circulatory system (I00-I99), in the block Other forms of heart disease (I30-I5A).

I45

I45 — Other conduction disorders

Non-billable headerICD-10-CM

I45 is a non-billable header ICD-10-CM code for other conduction disorders. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with I45

These codes carry an Excludes1 note pointing at I45. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading I45 alone.

R55Syncope and collapse
R94.31Abnormal electrocardiogram [ECG] [EKG]
I45.5Other specified heart block

Risk adjustment

I45 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.

Code to one of these instead I45

9 child codes. Green means billable.

Questions about I45

Is I45 a billable ICD-10-CM code?: No. I45 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does I45 sit in the tabular list?: Diseases of the circulatory system (I00-I99), in the block Other forms of heart disease (I30-I5A).