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Home/Diagnosis/ICD-10 Coding for NSTEMI Type 2

ICD-10 Coding for NSTEMI Type 2

I21.A1

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

Also Known as:
Non-ST Elevation Myocardial Infarction Type 2
Type 2 MI
Demand Ischemia
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Key Information: ICD-10 Coding for NSTEMI Type 2

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

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

Primary ICD-10-CM Codes

Type 2 myocardial infarction

Billable Code
I21.A1
Billable

Diagnostic Criteria

clinical:
  • • Presence of elevated troponin without coronary occlusion
documentation:
  • • Explicit mention of 'Type 2' and underlying cause

Applicable To

  • • Type 2 NSTEMI
  • • Myocardial infarction due to demand ischemia

Important Notes

  • • Ensure documentation specifies 'Type 2' and includes the underlying cause and absence of coronary thrombosis.
Ancillary Codes

Additional codes that may be used with this diagnosis

E87.2

Acidosis

Use when acidosis is present as an underlying condition contributing to the Type 2 MI.

J96.01

Acute respiratory failure

Use when acute respiratory failure is a contributing factor to the Type 2 MI.

Frequently Asked Questions

What is the ICD-10 code for NSTEMI Type 2?

The ICD-10 code for NSTEMI Type 2 is I21.A1. It is used when myocardial injury is due to an imbalance in oxygen supply and demand, not coronary artery occlusion.

How should NSTEMI Type 2 be documented?

Documentation for NSTEMI Type 2 should include 'Type 2' designation, underlying cause, elevated troponin levels, and absence of coronary occlusion.

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