ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 I49.3

Billable / Specific

Ventricular premature depolarization

I49
Block
0
Synonyms
513
LCDs
25
Payer Policies
40
Linked CPTs

About ICD-10-CM I49.3

ICD-10-CM code I49.3 represents Ventricular premature depolarization. This is a billable/specific code in the Circulatory System chapter (block I49). The 2026 edition of ICD-10-CM I49.3 became effective on October 1, 2025.

Medicare LCD Coverage for I49.3

Local Coverage Determinations (LCDs) from CMS MACs that list I49.3 as a covered diagnosis.

513 LCDs

Showing top 10 of 513 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 93270 →
CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 93298 →
CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 93225 →
CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 93271 →
CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 93246 →
CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 93272 →
CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 93242 →
CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 93228 →
CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 0938T →
CMS LCD: Billing and Coding: Ambulatory Electrocardiograph (AECG) Monitoring
Article ID: 59270, Effective: 2025-01-01 00:00:00, 153 covered, 0 non-covered
CPT 0937T →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing I49.3.

25 policies

1 Cigna

Ambulatory External and Implantable Electrocardiographic Monitoring - (0547)
Policy ID: MM_0547

5 Medicare

Billing and Coding: Implantable Automatic Defibrillators
Policy ID: ART-56326
Billing and Coding: Implantable Automatic Defibrillators
Policy ID: ART-56340
Billing and Coding: Implantable Automatic Defibrillators
Policy ID: ART-56343
Billing and Coding: Implantable Automatic Defibrillators
Policy ID: ART-56391
Billing and Coding: Cardiac Event Detection
Policy ID: ART-56452

CPT Codes Commonly Billed with I49.3

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

40 linkages
  • G0448 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
  • 33216 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
  • 33230 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
  • 33244 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
  • 33264 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
  • 33263 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
  • 33220 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
  • 33224 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
  • 33270 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD
  • 33272 CMS LCD: Billing and Coding: Implantable Automatic Defibrillators CMS LCD

Convert I49.3 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
I49.3 42769 10000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

ICD-10 I49.3, Billing FAQ

Is ICD-10 code I49.3 billable? +

Yes, I49.3 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What CPT codes are commonly billed with I49.3? +

Procedures frequently paired with I49.3 include: G0448, 33216, 33230, 33244, 33264.

What ICD-9 codes does I49.3 map to? +

Per CMS GEMs, I49.3 maps to ICD-9 codes: 42769. Useful for legacy data review and historical claim analysis.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on June 1, 2026.

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