MCMedicalCodingSoftware
I45.0

I45.0: Right fascicular block

Billable / specific codeICD-10-CMright

I45.0 is a billable, specific ICD-10-CM code for right fascicular block. It is valid for submission on a claim.

Check I45.0 with the rest of the claim: free scrubber

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I45.0 is named in 20 Medicare coverage policies: 20 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52423Billing and Coding: Infliximab and biosimilars
  • A56476Billing and Coding: Cardiac Radionuclide Imaging
  • A56602Billing and Coding: Cardiac Rhythm Device Evaluation
  • A56625Billing and Coding: Echocardiography

Alphabetic index entries that lead here

  • Block, blocked›fascicular›right

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I45

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.