PAYER READY CREDENTIALING & COMPLIANCE
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.

Get the full PayerReady toolkit

Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.

Start free →

Run this code through our claim audit tool

Check NCCI bundling, MUE limits, and modifier logic before submission.

Try the auditor →

Did this page help?

Quick signal so we know what to improve.

Thanks!

If you want a code reference page that doesn't exist yet, email coding@payerready.com.

Sorry to hear that.

Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.

Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on July 16, 2026.

Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team

Every month un-credentialed is revenue you never bill

Sign up free, add your first provider, and watch the pipeline start moving this week.

Ask CredBrain

Answers from your credentialing team's verified knowledge base

Hi, I'm CredBrain. I answer from your credentialing team's verified knowledge base: payer join paths, state rules, timelines, associate billing, and enrollment workflows. If I don't have a verified answer, I'll say so and point you to your team. What would you like to know?

Try asking