I49.40

I49.40: Unspecified premature depolarization

Billable / specific codeICD-10-CM

I49.40 is a billable, specific ICD-10-CM code for unspecified premature depolarization. It is valid for submission on a claim.

Check I49.40 with the rest of the claim: free scrubber

Inclusion terms

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

Premature beats NOS

Excludes2 inherited from the categories above I49.40

Not part of this code, but both may be coded when both are present.

Written on I49: Other cardiac arrhythmias

bradycardia NOS (R00.1)
neonatal dysrhythmia (P29.1-)
sinoatrial bradycardia (R00.1)
sinus bradycardia (R00.1)
vagal bradycardia (R00.1)

Risk adjustment

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

Medicare coverage

I49.40 is named in 14 Medicare coverage policies: 14 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56476Billing and Coding: Cardiac Radionuclide Imaging
A56625Billing and Coding: Echocardiography
A56781Billing and Coding: Transthoracic Echocardiography (TTE)
A57306Billing and Coding: Transthoracic Echocardiography (TTE)

Alphabetic index entries that lead here

Depolarization, premature
Beat›premature
Premature›beats

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I49.4

I49.49Other premature depolarization