I49.2 — Junctional premature depolarization
I49.2 is a billable, specific ICD-10-CM code for junctional premature depolarization. It is valid for submission on a claim.
Risk adjustment
I49.2 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 238 Specified Heart Arrhythmias0.299 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
I49.2 is named in 32 Medicare coverage policies — 32 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54799Billing and Coding: Urine Drug Testing
- A55001Billing and Coding: Urine Drug Testing
- A56476Billing and Coding: Cardiac Radionuclide Imaging
- A56602Billing and Coding: Cardiac Rhythm Device Evaluation
How I49.2 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to I49.2.
- Depolarization, premature›junctional
- Extrasystoles›junctional
- Contraction, contracture, contracted›premature›junctional
- Premature›contraction›atrioventricular
- Premature›contraction›junctional
Related codes at this level
Codes that share I49. If I49.2 is not quite right, the correct code is usually one of these.
Questions about I49.2
- Is I49.2 a billable ICD-10-CM code?
- Yes. I49.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I49.2 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Other forms of heart disease (I30-I5A).