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ICD-10 Coding for History of NSTEMI(I25.2, Z86.79)

Complete ICD-10-CM coding and documentation guide for History of NSTEMI. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Non-ST Elevation Myocardial Infarction HistoryPast NSTEMIPrevious NSTEMI

Related ICD-10 Code Ranges

Complete code families applicable to History of NSTEMI

I25.2Primary Range

Old myocardial infarction

Used for documenting a history of myocardial infarction, including NSTEMI, when the type is specified.

Personal history of other diseases of circulatory system

Used as an ancillary code to specify a history of circulatory system diseases, including NSTEMI.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
I25.2Old myocardial infarctionUse when documenting a history of NSTEMI with clear specification in the medical record.
  • Explicit documentation of NSTEMI
  • No recurrent symptoms since the initial event
  • Troponin levels and ECG findings from the initial event
Z86.79Personal history of other diseases of circulatory systemUse as an ancillary code to provide additional detail about the patient's history.
  • Documentation of past circulatory system diseases
  • Used in conjunction with primary codes like I25.2

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for history of NSTEMI

Essential facts and insights about History of NSTEMI

The ICD-10 code for history of NSTEMI is I25.2, used for old myocardial infarction when NSTEMI is specified.

Primary ICD-10-CM Codes for history of nstemi

Old myocardial infarction
Billable Code

Decision Criteria

documentation Criteria

  • Explicit mention of 'NSTEMI' in the patient's history

clinical Criteria

  • No current symptoms or treatment related to acute myocardial infarction

Applicable To

  • History of myocardial infarction
  • Old myocardial infarction

Excludes

  • Acute myocardial infarction (I21.-)

Clinical Validation Requirements

  • Explicit documentation of NSTEMI
  • No recurrent symptoms since the initial event
  • Troponin levels and ECG findings from the initial event

Code-Specific Risks

  • Incorrectly using for acute NSTEMI
  • Lack of specificity in documentation

Coding Notes

  • Ensure documentation explicitly states 'NSTEMI' and includes relevant historical clinical data.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Personal history of other diseases of circulatory system

Z86.79
Use alongside I25.2 to specify a history of circulatory system diseases.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Non-ST elevation (NSTEMI) myocardial infarction

I21.4
I21.4 is used for acute NSTEMI, not for historical cases.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of NSTEMI to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I25.2.

Impact

Clinical: Inaccurate patient history, Regulatory: Potential audit issues, Financial: Incorrect billing and reimbursement

Mitigation Strategy

Ensure specific documentation of NSTEMI, Include relevant clinical details

Impact

Reimbursement: Incorrect reimbursement due to coding acute conditions as historical, Compliance: Non-compliance with ICD-10 guidelines, Data Quality: Inaccurate patient records and data reporting

Mitigation Strategy

Use I25.2 for history of NSTEMI

Impact

Using acute codes for historical conditions

Mitigation Strategy

Ensure documentation specifies history and not acute status.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for History of NSTEMI, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for History of NSTEMI

Use these documentation templates to ensure complete and accurate documentation for History of NSTEMI. These templates include all required elements for proper coding and billing.

Cardiology Follow-Up

Specialty: Cardiology

Required Elements

  • Explicit mention of NSTEMI
  • Date of initial event
  • Current status and management

Example Documentation

66yo M with PMH of NSTEMI (12/2023): Peak troponin 8.2 ng/mL, ECG showed T-wave inversions in anterior leads. No recurrent angina post-discharge. EF preserved at 55% on most recent echo. Current status: Asymptomatic, continues aspirin/statin.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient had a heart attack.
Good Documentation Example
Patient with history of NSTEMI in 2022, currently asymptomatic.
Explanation
The good example provides specific details about the type and timing of the myocardial infarction.

Need help with ICD-10 coding for History of NSTEMI? Ask your questions below.

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