MCMedicalCodingSoftware
I45.10

I45.10: Unspecified right bundle-branch block

Billable / specific codeICD-10-CMright

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

Check I45.10 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Right bundle-branch block NOS

Risk adjustment

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

Medicare coverage

I45.10 is named in 15 Medicare coverage policies: 15 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • 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

Alphabetic index entries that lead here

  • Block, blocked›bundle-branch›right

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I45.1

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.