I22.9 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Subsequent ST elevation (STEMI) myocardial infarction of unspecified site.
Inclusion term
Subsequent acute myocardial infarction of unspecified site
Subsequent myocardial infarction (acute) NOS
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code