I44.7 — Left bundle-branch block, unspecified
I44.7 is a billable, specific ICD-10-CM code for left bundle-branch block, unspecified. It is valid for submission on a claim.
Risk adjustment
I44.7 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.
Medicare coverage
I44.7 is named in 34 Medicare coverage policies — 34 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54831Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemaker
- A54909Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers
- A54926Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers
- A54929Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers – Coding and Billing
How I44.7 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to I44.7.
- Block, blocked›bundle-branch›left
- Block, blocked›bundle-branch›left›incomplete
Related codes at this level
Codes that share I44. If I44.7 is not quite right, the correct code is usually one of these.
Questions about I44.7
- Is I44.7 a billable ICD-10-CM code?
- Yes. I44.7 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I44.7 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Other forms of heart disease (I30-I5A).