Specific code 2012 ICD-9-CM Diagnosis Code 410.90
Acute myocardial infarction of unspecified site, episode of care unspecified
  • Short description: AMI NOS, unspecified.
  • ICD-9-CM 410.90 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 410.90 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 410.90.
  • More recent version(s) of ICD-9-CM 410.90: 2013 2014.
Disease Synonyms
  • Acute heart attack
  • Acute MI
  • Acute myocardial infarction
  • Acute myocardial infarction due to occlusion of left coronary artery
  • Acute myocardial infarction due to occlusion of right coronary artery
  • Acute ST elevation MI
  • Acute ST segment elevation myocardial infarction
  • Heart attack, acute
  • Heart attack, acute
  • Heart attack, less than 8 weeks ago
  • History of myocardial infarction less than 4 weeks ago
  • Hx of MI, < 8 weeks
  • Mi acute st segment elevation
  • MI, < 4weeks
  • MI, < 8 weeks
  • MI, acute
  • MI, acute, left coronary artery
  • MI, acute, right coronary artery
  • MI, acute, ST segment elevation
  • Myocardial infarction (heart attack)
  • Myocardial infarction (heart attack), < 4weeks
  • Subseq ST elevation MI, within 4 wks of previous MI
  • Subsequent heart attack, within 4 weeks of previous heart attack
  • Subsequent ST elevation myocardial infarction, within 4 weeks of previous myocardial infarction
Convert to ICD-10-CM: 410.90 converts approximately to:
  • 2014 ICD-10-CM I21.3 ST elevation (STEMI) myocardial infarction of unspecified site
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 410.90 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.