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Home/Diagnosis/ICD-10 Coding for Type 2 Myocardial Infarction

ICD-10 Coding for Type 2 Myocardial Infarction

I21.A1

Complete ICD-10-CM coding and documentation guide for icd-10 coding for type 2 myocardial infarction includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Type 2 MI
Secondary Myocardial Infarction
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Key Information: ICD-10 Coding for Type 2 Myocardial Infarction

Essential facts and insights about ICD-10 Coding for Type 2 Myocardial Infarction

Use ICD-10 code I21.A1 for myocardial infarction type 2, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Myocardial infarction type 2

Billable Code
I21.A1
Billable

Diagnostic Criteria

clinical_criteria:
  • • Presence of demand ischemia with elevated troponin
coding_criteria:
  • • Sequence underlying cause before I21.A1
documentation_criteria:
  • • Link Type 2 MI to its cause explicitly

Applicable To

  • • Type 2 MI due to demand ischemia

Important Notes

  • • Ensure the underlying cause is documented and coded first.
Ancillary Codes

Additional codes that may be used with this diagnosis

D50.9

Iron deficiency anemia, unspecified

Use when anemia is the underlying cause of Type 2 MI.

Frequently Asked Questions

What is the ICD-10 code for Type 2 Myocardial Infarction?

The ICD-10 code for Type 2 Myocardial Infarction is I21.A1. It is used when myocardial infarction results from an imbalance in oxygen supply and demand, not due to coronary artery disease.

How should Type 2 MI be documented?

Type 2 MI should be documented with specific troponin levels, ischemic symptoms, and a clear link to the underlying cause, such as anemia or tachycardia.

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