I51.8
I51.8 — Other ill-defined heart diseases
Non-billable headerICD-10-CM
I51.8 is a non-billable header ICD-10-CM code for other ill-defined heart diseases. It cannot be billed on its own: choose one of the more specific child codes below.
Risk adjustment
I51.8 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 I51.8
2 child codes. Green means billable.
Related codes at this level
Codes that share I51. If I51.8 is not quite right, the correct code is usually one of these.
- I51.0Cardiac septal defect, acquired
- I51.1Rupture of chordae tendineae, not elsewhere classified
- I51.2Rupture of papillary muscle, not elsewhere classified
- I51.3Intracardiac thrombosis, not elsewhere classified
- I51.4Myocarditis, unspecified
- I51.5Myocardial degeneration
- I51.7Cardiomegaly
- I51.9Heart disease, unspecified
Questions about I51.8
- Is I51.8 a billable ICD-10-CM code?
- No. I51.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does I51.8 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Other forms of heart disease (I30-I5A).