I44.4
I44.4: Left anterior fascicular block
Billable / specific codeICD-10-CMleft
I44.4 is a billable, specific ICD-10-CM code for left anterior fascicular block. It is valid for submission on a claim.
Check I44.4 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
I44.4 is named in 19 Medicare coverage policies: 19 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56476Billing and Coding: Cardiac Radionuclide Imaging
- A56602Billing and Coding: Cardiac Rhythm Device Evaluation
- A56625Billing and Coding: Echocardiography
- A56691Billing and Coding: Cardiac Computed Tomography & Angiography (CCTA)
Alphabetic index entries that lead here
- Block, blocked›fascicular›anterior
- Block, blocked›bundle-branch›left›hemiblock›anterior
Code history
Unchanged in every release from FY2024 to FY2027.