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

ICD-10 I08.0

Billable / Specific

Rheumatic disorders of both mitral and aortic valves

I08
Block
1
Synonyms
360
LCDs
20
Payer Policies
10
Linked CPTs

About ICD-10-CM I08.0

ICD-10-CM code I08.0 represents Rheumatic disorders of both mitral and aortic valves. This is a billable/specific code in the Circulatory System chapter (block I08). The 2026 edition of ICD-10-CM I08.0 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under I08.0. Per CMS ICD-10-CM Tabular 2026.

  • Involvement of both mitral and aortic valves specified as rheumatic or unspecified

Medicare LCD Coverage for I08.0

Local Coverage Determinations (LCDs) from CMS MACs that list I08.0 as a covered diagnosis.

360 LCDs

Showing top 10 of 360 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74170 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74177 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74160 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74178 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74150 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 72194 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74176 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 72192 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 72193 →
CMS LCD: Billing and Coding: Transesophageal Echocardiogram
Article ID: 57179, Effective: 2026-02-26 00:00:00, 421 covered, 1 non-covered
CPT 93313 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing I08.0.

20 policies

3 Aetna

Color-Flow Doppler Echocardiography and Myocardial Strain Imaging - Medical Clinical Policy Bulletins | Aetna
Policy ID: CPB-0008
Cardiac Computed Tomography (CT), Coronary CT Angiography, Calcium Scoring and CT Fractional Flow Reserve
Policy ID: CPB-0228
Balloon Valvuloplasty
Policy ID: CPB-0477

2 Cigna

Duplex Scan of Extracranial Arteries - (0542)
Policy ID: MM_0542
Plasma Brain Natriuretic Peptide in the Outpatient Setting - (0028)
Policy ID: MM_0028

5 Medicare

Billing and Coding: Cardiac Catheterization and Coronary Angiography
Policy ID: ART-52850
Billing and Coding: Transesophageal Echocardiography (TEE)
Policy ID: ART-52868
Billing and Coding: CT of the Abdomen and Pelvis
Policy ID: ART-56421
Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
Policy ID: ART-56423
Billing and Coding: Cardiac Radionuclide Imaging
Policy ID: ART-56476

CPT Codes Commonly Billed with I08.0

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

10 linkages
  • 93306 Echocardiography — heart failure, cardiomyopathy, valvular disease Cardiovascular Disease
  • 93306 Echo with Doppler — heart failure, cardiomyopathy, mitral/aortic/tricuspid valve disease, chest pain, dyspnea, CAD, pulmonary HTN, ASD, VSD, congenital valve Cardiology
  • 78431 CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing CMS LCD
  • 78492 CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing CMS LCD
  • 75563 CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing CMS LCD
  • 75559 CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing CMS LCD
  • 0742T CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing CMS LCD
  • 78434 CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing CMS LCD
  • 78430 CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing CMS LCD
  • 78491 CMS LCD: Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing CMS LCD

Convert I08.0 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
I08.0 3960 10000
I08.0 3961 10000
I08.0 3962 10000
I08.0 3963 10000

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

ICD-10 I08.0, Billing FAQ

Is ICD-10 code I08.0 billable? +

Yes, I08.0 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 I08.0? +

ICD-10 I08.0 includes: Involvement of both mitral and aortic valves specified as rheumatic or unspecified.

What CPT codes are commonly billed with I08.0? +

Procedures frequently paired with I08.0 include: 93306, 93306, 78431, 78492, 75563.

What ICD-9 codes does I08.0 map to? +

Per CMS GEMs, I08.0 maps to ICD-9 codes: 3960, 3961, 3962, 3963. 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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