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

ICD-10 I25.85

Billable / Specific

Chronic coronary microvascular dysfunction

I25
Block
2
Synonyms
348
LCDs
21
Payer Policies
4
Linked CPTs

About ICD-10-CM I25.85

ICD-10-CM code I25.85 represents Chronic coronary microvascular dysfunction. This is a billable/specific code in the Circulatory System chapter (block I25). The 2026 edition of ICD-10-CM I25.85 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under I25.85. Per CMS ICD-10-CM Tabular 2026.

  • Chronic (presentation of) coronary microvascular disease
  • Coronary microvascular dysfunction NOS

Medicare LCD Coverage for I25.85

Local Coverage Determinations (LCDs) from CMS MACs that list I25.85 as a covered diagnosis.

348 LCDs

Showing top 10 of 348 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 I25.85.

21 policies

1 Cigna

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: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation
Policy ID: ART-53775
Billing and Coding: Cardiac Radionuclide Imaging
Policy ID: ART-56476
Billing and Coding: Echocardiography
Policy ID: ART-56625
Billing and Coding: Homocysteine Level, Serum
Policy ID: ART-56675

CPT Codes Commonly Billed with I25.85

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

4 linkages
  • 93798 CMS LCD: Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation CMS LCD
  • 93797 CMS LCD: Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation CMS LCD
  • G0423 CMS LCD: Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation CMS LCD
  • G0422 CMS LCD: Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation CMS LCD

ICD-10 I25.85, Billing FAQ

Is ICD-10 code I25.85 billable? +

Yes, I25.85 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 I25.85? +

ICD-10 I25.85 includes: Chronic (presentation of) coronary microvascular disease; Coronary microvascular dysfunction NOS.

What CPT codes are commonly billed with I25.85? +

Procedures frequently paired with I25.85 include: 93798, 93797, G0423, G0422.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on August 30, 2026.

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