ICD-10-CM › I00-I99 › I20-I25 › I25.8 Other forms of chronic ischemic... › I25.85

I25.85

Chronic coronary microvascular dysfunction

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2024 onwards.

What has happened to this code

Every change the publisher made, from 2024 to now.

  1. FY2024 Added to the code set Chronic coronary microvascular dysfunction

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from I25 Chronic ischemic heart disease

Excludes2 - not included here

  • non-ischemic myocardial injury (I5A)

Use additional code

  • code to identify:
  • chronic total occlusion of coronary artery (I25.82)
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Inherited from the I20-I25 section Ischemic heart diseases (I20-I25)

Code also

  • the presence of hypertension (I10-I1A)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
I25.81 Atherosclerosis of other coronary vessels without angina pectoris Not billable
I25.82 Chronic total occlusion of coronary artery Valid
I25.83 Coronary atherosclerosis due to lipid rich plaque Valid
I25.84 Coronary atherosclerosis due to calcified coronary lesion Valid
I25.89 Other forms of chronic ischemic heart disease Valid