ICD-10-CM Alphabetic Index · FY 2026 56 Entries
Ischemia in the ICD-10-CM Index ICD-10-CM
The main term Ischemia, ischemic carries 56 index entries pointing to 29 ICD-10-CM codes. The default entry is I99.8, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
56
Index Entries
29
Codes Referenced
I99.8
Default Code
I
Letter
56 of 56 shown
ICD-10-CM
Index Entries Under Ischemia 56 entries · 29 codes
Ischemia, ischemic I99.8
brain see Ischemia, cerebral
bowel (transient)
acute K55.059 see also Ischemia, intestine, acute
chronic K55.1
due to mesenteric artery insufficiency K55.1
cardiac (see Disease, heart, ischemic)
cardiomyopathy I25.5
cerebral (chronic) (generalized) I67.82
arteriosclerotic I67.2
intermittent G45.9
newborn P91.0
recurrent focal G45.8
transient G45.9
colon chronic (due to mesenteric artery insufficiency) K55.1
coronary see Disease, heart, ischemic
demand (coronary) I24.89 see also Angina
with myocardial infarction I21.A1
resulting in myocardial infarction I21.A1
heart (chronic or with a stated duration of over 4 weeks) I25.9
acute or with a stated duration of 4 weeks or less I24.9
subacute I24.9
infarction, muscle see Infarct, muscle
intestine (large) (small) (transient) K55.9
acute K55.059
diffuse K55.052
focal K55.051
large K55.039
diffuse K55.032
focal K55.031
small K55.019
diffuse K55.012
focal K55.011
chronic K55.1
due to mesenteric artery insufficiency K55.1
kidney N28.0
limb, critical see Arteriosclerosis, with critical limb ischemia
limb-threatening, chronic see Arteriosclerosis, with critical limb ischemia
mesenteric, acute K55.059 see also Ischemia, intestine, acute
muscle, traumatic T79.6 Non-billable
myocardium, myocardial (chronic or with a stated duration of over 4 weeks) I25.9
acute, without myocardial infarction I51.3
silent (asymptomatic) I25.6
transient of newborn P29.4
renal N28.0
retina, retinal see Occlusion, artery, retina
small bowel
acute K55.019
diffuse K55.012
focal K55.011
chronic K55.1
due to mesenteric artery insufficiency K55.1
spinal cord G95.11
subendocardial see Insufficiency, coronary
supply (coronary) I25.9 see also Angina
due to vasospasm I20.1
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
