I45.9
I45.9: Conduction disorder, unspecified
Billable / specific codeICD-10-CM
I45.9 is a billable, specific ICD-10-CM code for conduction disorder, unspecified. It is valid for submission on a claim.
Check I45.9 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Heart block NOS
- Stokes-Adams syndrome
Other codes that can never be billed with I45.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
I45.9 is named in 7 Medicare coverage policies: 7 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56602Billing and Coding: Cardiac Rhythm Device Evaluation
- A56781Billing and Coding: Transthoracic Echocardiography (TTE)
- A57306Billing and Coding: Transthoracic Echocardiography (TTE)
- A57326Billing and Coding: Electrocardiograms
Alphabetic index entries that lead here
- Adams-Stokes disease or syndrome(-Morgagni)
- Dropped heart beats
- Morgagni-Stokes-Adams syndrome
- Spens' syndrome(syncope with heart block)
- Stokes-Adams disease or syndrome
- Arrhythmia›block
- Attack, attacks›Adams-Stokes
- Attack, attacks›Stokes-Adams
- Block, blocked›arrhythmic
- Block, blocked›cardiac
- Block, blocked›conduction
- Block, blocked›heart
Code history
Unchanged in every release from FY2024 to FY2027.