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

ICD-10 R94.39

Billable / Specific

Abnormal result of other cardiovascular function study

R94
Block
3
Synonyms
252
LCDs
14
Payer Policies
0
Linked CPTs

About ICD-10-CM R94.39

ICD-10-CM code R94.39 represents Abnormal result of other cardiovascular function study. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R94). The 2026 edition of ICD-10-CM R94.39 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under R94.39. Per CMS ICD-10-CM Tabular 2026.

  • Abnormal electrophysiological intracardiac studies
  • Abnormal phonocardiogram
  • Abnormal vectorcardiogram

Medicare LCD Coverage for R94.39

Local Coverage Determinations (LCDs) from CMS MACs that list R94.39 as a covered diagnosis.

252 LCDs

Showing top 10 of 252 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 93018 →
CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 0742T →
CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 78434 →
CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 93017 →
CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 78429 →
CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 78454 →
CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 93352 →
CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 78453 →
CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 75563 →
CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Article ID: 56952, Effective: 2026-01-01 00:00:00, 375 covered, 1 non-covered
CPT 78432 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing R94.39.

14 policies

1 Cigna

Transthoracic Echocardiography in Children - (0523)
Policy ID: MM_0523

5 Medicare

Billing and Coding: Cardiac Catheterization and Coronary Angiography
Policy ID: ART-52850
Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Policy ID: ART-56423
Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
Policy ID: ART-56451
Billing and Coding: Cardiac Radionuclide Imaging
Policy ID: ART-56476
Billing and Coding: Cardiac Catheterization and Coronary Angiography
Policy ID: ART-56500

1 Aetna

Cardiac Computed Tomography (CT), Coronary CT Angiography, Calcium Scoring and CT Fractional Flow Reserve
Policy ID: CPB-0228

CPT Codes Commonly Billed with R94.39

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

No procedure linkages on file for R94.39

We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.

Convert R94.39 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
R94.39 79439 00000

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

ICD-10 R94.39, Billing FAQ

Is ICD-10 code R94.39 billable? +

Yes, R94.39 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What other names or terms map to R94.39? +

ICD-10 R94.39 includes: Abnormal electrophysiological intracardiac studies; Abnormal phonocardiogram; Abnormal vectorcardiogram.

What ICD-9 codes does R94.39 map to? +

Per CMS GEMs, R94.39 maps to ICD-9 codes: 79439. 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 May 31, 2026.

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