I45.5
I45.5: Other specified heart block
Billable / specific codeICD-10-CM
I45.5 is a billable, specific ICD-10-CM code for other specified heart block. It is valid for submission on a claim.
Check I45.5 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- heart block NOS (I45.9)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Sinoatrial block
- Sinoauricular block
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
I45.5 is named in 18 Medicare coverage policies: 18 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52423Billing and Coding: Infliximab and biosimilars
- A54926Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers
- A54958Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemaker
- A54982Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers
Alphabetic index entries that lead here
- Arborization block(heart)
- Arrest, arrested›sinus
- Block, blocked›arborization(heart)
- Block, blocked›nodal
- Block, blocked›sinoatrial
- Block, blocked›sinoauricular
- Sinus›arrest
- Sinus›pause
- Standstill›auricular
- Standstill›sinoatrial
- Block, blocked›heart›specified type NEC
Code history
Unchanged in every release from FY2024 to FY2027.