ICD-10-CM Diagnosis Code (2025)
Official Description for I21.B
Myocardial infarction with coronary microvascular dysfunction
Coding Notes & Guidelines for I21.B
Inclusion Terms
- Myocardial infarction with coronary microvascular disease
- Myocardial infarction with nonobstructive coronary arteries [MINOCA] with microvascular disease
Parent Code (Less Specific):
About ICD-10-CM Code I21.B (Myocardial infarction with coronary microvascular dysfunction)
ICD-10-CM code I21.B is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I21.B became effective on October 1, 2024.
This page provides detailed information about I21.B - Myocardial infarction with coronary microvascular dysfunction. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Myocardial infarction with coronary microvascular dysfunction.