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

ICD-10 I25.89

Billable / Specific

Other forms of chronic ischemic heart disease

I25
Block
0
Synonyms
403
LCDs
25
Payer Policies
18
Linked CPTs

About ICD-10-CM I25.89

ICD-10-CM code I25.89 represents Other forms of chronic ischemic heart disease. This is a billable/specific code in the Circulatory System chapter (block I25). The 2026 edition of ICD-10-CM I25.89 became effective on October 1, 2025.

Medicare LCD Coverage for I25.89

Local Coverage Determinations (LCDs) from CMS MACs that list I25.89 as a covered diagnosis.

403 LCDs

Showing top 10 of 403 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 I25.89.

25 policies

2 Cigna

Plasma Brain Natriuretic Peptide in the Outpatient Setting - (0028)
Policy ID: MM_0028
Transthoracic Echocardiography in Adults - (0510)
Policy ID: MM_0510

5 Medicare

Billing and Coding: Cardiac Catheterization and Coronary Angiography
Policy ID: ART-52850
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 Rhythm Device Evaluation
Policy ID: ART-56602
Billing and Coding: Echocardiography
Policy ID: ART-56625

CPT Codes Commonly Billed with I25.89

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

18 linkages
  • 93281 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD
  • 93280 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD
  • 93296 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD
  • 93279 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD
  • 93283 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD
  • 93261 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD
  • 93288 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD
  • 93282 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD
  • 93724 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD
  • 93286 CMS LCD: Billing and Coding: Cardiac Rhythm Device Evaluation CMS LCD

Convert I25.89 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
I25.89 4148 10000

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

ICD-10 I25.89, Billing FAQ

Is ICD-10 code I25.89 billable? +

Yes, I25.89 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 I25.89? +

Procedures frequently paired with I25.89 include: 93281, 93280, 93296, 93279, 93283.

What ICD-9 codes does I25.89 map to? +

Per CMS GEMs, I25.89 maps to ICD-9 codes: 4148. 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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