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Home/Diagnosis/ICD-10 Coding for Septal Infarct

ICD-10 Coding for Septal Infarct

I21.29
I21.4

Complete ICD-10-CM coding and documentation guide for icd-10 coding for septal infarct includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Septal Myocardial Infarction
Septal MI
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Key Information: ICD-10 Coding for Septal Infarct

Essential facts and insights about ICD-10 Coding for Septal Infarct

Use ICD-10 code I21.29 for st elevation (stemi) myocardial infarction involving other coronary artery (septal branch), ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

ST elevation (STEMI) myocardial infarction involving other coronary artery (septal branch)

Billable Code
I21.29
Billable

Diagnostic Criteria

  • • ST elevation in V1-V2 with septal branch occlusion

Applicable To

  • • Isolated septal STEMI

Important Notes

  • • Ensure documentation specifies 'septal' and the involved artery.

Non-ST elevation (NSTEMI) myocardial infarction

Billable Code
I21.4
Billable

Diagnostic Criteria

  • • Troponin elevation without ST elevation in contiguous leads

Applicable To

  • • Septal NSTEMI

Important Notes

  • • Document troponin levels and absence of ST elevation.
Ancillary Codes

Additional codes that may be used with this diagnosis

I23.2

Ventricular septal defect complicating acute MI

Use if a ventricular septal defect is present following the MI.

Frequently Asked Questions

What is the ICD-10 code for septal infarct?

The ICD-10 code for a septal infarct is I21.29 for STEMI and I21.4 for NSTEMI, depending on the presence of ST elevation.

How do you document a septal myocardial infarction?

Document a septal MI by specifying the site as 'septal', noting ST elevation in V1-V2, and detailing the involved artery, such as the septal branch of the LAD.

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