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Home/Diagnosis/ICD-10 Coding for ST-Elevation Myocardial Infarction

ICD-10 Coding for ST-Elevation Myocardial Infarction

I21.01
I21.02
I21.11

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

Also Known as:
STEMI
Acute Myocardial Infarction with ST Elevation
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Key Information: ICD-10 Coding for ST-Elevation Myocardial Infarction

Essential facts and insights about ICD-10 Coding for ST-Elevation Myocardial Infarction

Use ICD-10 code I21.01 for stemi involving left main coronary artery, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

STEMI involving left main coronary artery

Billable Code
I21.01
Billable

Diagnostic Criteria

  • • Presence of ST elevation in aVR with diffuse ST depression

Applicable To

  • • ST elevation in aVR with diffuse ST depression

Important Notes

  • • Ensure documentation specifies the coronary artery involved.

STEMI involving left anterior descending artery

Billable Code
I21.02
Billable

Diagnostic Criteria

  • • ST elevation in leads V1-V4
  • • Troponin elevation

Applicable To

  • • ST elevation ≥1mm in ≥2 contiguous anterior leads (V1-V4)

Important Notes

  • • Document specific ECG findings and troponin levels.

STEMI involving right coronary artery

Billable Code
I21.11
Billable

Diagnostic Criteria

  • • ST elevation in leads II, III, aVF
  • • Reciprocal changes in I/aVL

Applicable To

  • • ST elevation in II, III, aVF ± reciprocal ST depression in I/aVL

Important Notes

  • • Ensure reciprocal changes are documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

I10

Hypertension

Use if patient has a history of hypertension.

E11

Type 2 diabetes mellitus

Use if patient has a history of diabetes.

R57.0

Cardiogenic shock

Use if patient presents with cardiogenic shock.

Frequently Asked Questions

What is the ICD-10 code for STEMI?

The ICD-10 codes for STEMI range from I21.0 to I21.3, depending on the location of the myocardial infarction.

How do you code a STEMI that evolves from NSTEMI?

If a STEMI evolves from NSTEMI after thrombolytic therapy, it should still be coded as STEMI according to ICD-10 guidelines.

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