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v1.0.0
ICD-10 Guide
DiagnosesHistory Of Heart Attack

History Of Heart Attack

ICD-10 Coding for History of Heart Attack(I25.2)

PRIMARY SPECIALTYCardiology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is History Of Heart Attack?
Essential facts and insights about History of Heart Attack

Key Clinical Considerations:

  • Chest pain or discomfort
  • Shortness of breath
  • Fatigue or weakness
  • Elevated troponin levels
  • ECG changes (ST elevation or depression)

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of myocardial infarction
  • Date of previous heart attack
  • Type of heart attack (STEMI, NSTEMI)
  • Treatment history (e.g., angioplasty, bypass surgery)
  • Current medications and management plan

Coding Guidelines

Usage Guidelines & Examples

  • Use I25.2 for history of myocardial infarction; avoid using acute codes.
  • Common errors include misclassifying the type of heart attack.

Code Exclusions

Important Exclusions

  • Acute myocardial infarction (I21 codes)
  • Heart failure codes (I50 codes)

Related ICD-10 Codes

Primary Codes
I25.2
Old myocardial infarction
I21.9
Acute myocardial infarction, unspecified
Ancillary Codes
Z86.79
Differential Codes
I21.9

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Cardiology

Specialty Applications

  • Patients with a history of myocardial infarction
  • Cardiology clinics and hospitals

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Document the patient's history of heart attack, including dates and types.

What are the billing considerations?

Ensure accurate coding to reflect the patient's history and current status.