I45.81
I45.81: Long QT syndrome
Billable / specific codeICD-10-CM
I45.81 is a billable, specific ICD-10-CM code for long qt syndrome. It is valid for submission on a claim.
Check I45.81 with the rest of the claim: free scrubberOther codes that can never be billed with I45.81
Their own Excludes1 notes name this code, so the conflict is not listed above.
- R94.31Abnormal electrocardiogram [ECG] [EKG]
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
I45.81 is named in 26 Medicare coverage policies: 26 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52423Billing and Coding: Infliximab and biosimilars
- A52458Automatic External Defibrillators - Policy Article
- A54799Billing and Coding: Urine Drug Testing
- A55001Billing and Coding: Urine Drug Testing
Alphabetic index entries that lead here
- Jervell-Lange-Nielsen syndrome
- Romano-Ward syndrome(prolonged QT interval)
- Long›QT syndrome
- Syndrome›Jervell-Lange-Nielsen
- Syndrome›long QT
- Syndrome›QT interval prolongation
- Syndrome›Romano-Ward(prolonged QT interval)
Code history
Unchanged in every release from FY2024 to FY2027.