All ICD10 Codes

I24

Non-Billable
ChapterI00–I99
Rankcategory
Official Description

Other acute ischemic heart diseases

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

I20-I25 Parent Instructions

Code Also
  • the presence of hypertension (I10-I1A)

Instructional Notes

Excludes1(Not coded here)
  • angina pectoris (I20.-)
  • transient myocardial ischemia in newborn (P29.4)
Excludes2(Not included here)
  • non-ischemic myocardial injury (I5A)

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)
I20-I25Ischemic heart diseases (I20-I25)
I24Other acute ischemic heart diseases
I24.0Acute coronary thrombosis not resulting in myocardial infarction
I24.1Dressler's syndrome
I24.8Other forms of acute ischemic heart disease
I24.9Acute ischemic heart disease, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I24:

blockI20-I25
Ischemic heart diseases (I20-I25)
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to I24. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

23 raw paths
Cyanotic heart disease1 unique routes
Direct index entry→I24
Disease, diseased2 unique routes
coronary (artery)
microvascular
acute→I24
heart (organic)
ischemic (chronic or with a stated duration of over 4 weeks)
specified form NEC
acute→I24
Dressler's syndrome1 unique routes
Direct index entry→I24
Dysfunction1 unique routes
coronary microvascular
acute→I24
Embolism (multiple) (paradoxical)1 unique routes
artery
coronary
not resulting in infarction→I24
Insufficiency, insufficient2 unique routes
arterial
coronary (acute or subacute)→I24
coronary (acute or subacute)→I24
Ischemia, ischemic3 unique routes
demand (coronary)→I24
heart (chronic or with a stated duration of over 4 weeks)(2 variants)
acute or with a stated duration of 4 weeks or less→I24
subacute→I24
Occlusion, occluded2 unique routes
artery
coronary (acute) (thrombotic) (without myocardial infarction)→I24
coronary (artery) (vein) (thrombotic)
not resulting in infarction→I24
Pericarditis (with decompensation) (with effusion)1 unique routes
postinfarction→I24
Syndrome5 unique routes
coronary
acute NEC→I24
Dressler's (postmyocardial infarction)→I24
postcardiac injury
postmyocardial infarction→I24
postinfarction→I24
postmyocardial infarction→I24
Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel)4 unique routes
artery, arteries (postinfectional)
coronary
not resulting in infarction→I24
coronary (artery) (vein)
not resulting in infarction→I24
parietal
not resulting in infarction→I24
ventricle
not resulting in infarction→I24

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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