2027 ICD-10-CM Diagnosis Code I49.82Ventricular bigeminy

ICD-10-CM Codes›I00–I99›I30-I5A›I49

ICD-10-CM I49.82
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

I49.82 is a billable ICD-10-CM diagnosis code for ventricular bigeminy. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 308 through 310.

This medical diagnosis code is frequently used in Cardiology medical specialties to designate conditions such cardiac arrhythmias (other).

Code Identity

ICD-10-CM Code
I49.82
Billable Status
Yes — Valid for Submission
Code Describes
Ventricular bigeminy
Short Description
Ventricular bigeminy
Same as the full description in the CMS dataset.
Parent Code
I49.8
Other specified cardiac arrhythmias

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI30-I5AOther forms of heart disease
CategoryI49Other cardiac arrhythmias
This CodeI49.82Ventricular bigeminy

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to I49.82: its own notes plus those printed at I49 and Chapter 9. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From I49 Other cardiac arrhythmias applies to 12 codes
  • bradycardia NOS (R00.1)
  • neonatal dysrhythmia (P29.1-)
  • sinoatrial bradycardia (R00.1)
  • sinus bradycardia (R00.1)
  • vagal bradycardia (R00.1)
From Chapter 9 (I00-I99) Diseases of the circulatory system applies to 1,433 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Code First

The underlying condition named in the note is sequenced before this code.

From I49 Other cardiac arrhythmias applies to 12 codes
  • cardiac arrhythmia complicating:
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • obstetric surgery and procedures (O75.4)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

  • code, if applicable, for associated symptoms such as:
  • dizziness (R42)
  • syncope (R55)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name I49.82, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming I49.82: its condition is not part of those codes, and both may be reported when the patient has both.

  • R00 Abnormalities of heart beat
    specified arrhythmias (I47-I49) names I47-I49, which includes this code

Code Also 1

These codes say I49.82 may also be needed to fully describe the condition. The note gives no sequencing direction.

  • M35.81 Multisystem inflammatory syndrome
    cardiac arrhythmia (I47-I49.-) names I47-I49, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical InformationClinical

  • Ventricular Bigeminy by ECG Finding

    an electrocardiographic finding of a normal qrs followed by a premature ventricular contraction; a rhythmic pairing of normal and atypical beats originating in the ventricles in a 1-1 ratio.

Code History & ChangesHistory

New Code I49.82 was added to the ICD-10-CM code set for FY 2027, effective October 1, 2026.

Replacement I49.82 replaces the following previously assigned code(s):

  • I49.8 - Other specified cardiac arrhythmias
FY 2027AddedAdded to the ICD-10-CM code setEffective October 1, 2026.
FY 2027CurrentRevised in the current code setEffective October 1, 2026 through September 30, 2027.

Questions About I49.82Overview

What is the ICD-10 code for ventricular bigeminy?

The ICD-10-CM code for ventricular bigeminy is I49.82 (sometimes written as I4982). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is I49.82 (Other specified cardiac arrhythmias) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report ventricular bigeminy on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does I49.82 group to?

When ventricular bigeminy is the principal diagnosis on an inpatient stay, it groups to MS-DRG 309, 310, 308, with relative weights from 0.5686 to 1.1809 depending on complications. Higher weights mean higher Medicare reimbursement.

Does I49.82 need an additional code?

When the condition applies, yes. The Use Additional Code note reads: code, if applicable, for associated symptoms such as: dizziness (R42); syncope (R55). The additional code is reported after I49.82.