Specific code icon 2014 ICD-10-CM Diagnosis Code I25.9

Chronic ischemic heart disease, unspecified

  • I25.9 is a billable ICD-10-CM code that can be used to specify a diagnosis.
  • On October 1, 2015 ICD-10-CM will replace ICD-9-CM in the United States, therefore, I25.9 and all other ICD-10-CM codes should only be used for training or planning purposes until then.
Applicable To
  • Ischemic heart disease (chronic) NOS
Description Synonyms
  • Chronic ischemic heart disease
Mortality Data
  • Between 1999-2007 there were 106,145 deaths in the United States where ICD-10 I25.9 was indicated as the underlying cause of death [source: cdc.govlink to cdc.gov]
  • ICD-10 I25.9 as underlying cause of death data broken down by: gender, age, race, year
ICD-10-CM I25.9 is grouped within Diagnostic Related Group(s) (MS-DRG v30.0):
  • 302 Atherosclerosis with mcc
  • 303 Atherosclerosis without mcc
Convert ICD-10-CM I25.9 to ICD-9-CM
The following ICD-10-CM Index entries contain back-references to ICD-10-CM I25.9:
  • Deformity Q89.9
  • coronary artery (acquired) I25.9
    artery (congenital) (peripheral) Q27.9
    coronary (acquired) I25.9
  • Disease, diseased - see also Syndrome
  • heart (organic) I51.9
    ischemic (chronic or with a stated duration of over 4 weeks) I25.9
  • Ischemia, ischemic I99.8
  • heart (chronic or with a stated duration of over 4 weeks) I25.9
    myocardium, myocardial (chronic or with a stated duration of over 4 weeks) I25.9
    supply (coronary) - see also Angina I25.9