I24.9
BillableAcute ischemic heart disease, unspecified
Acute ischemic heart disease, unspecified
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- 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.-)
- non-ischemic myocardial injury (I5A)
Code Also
A second code may be required; sequencing depends on circumstances
- the presence of hypertension (I10-I1A)
Also Known As / Clinical Terms
SNOMED CT
- Erythrocytosis due to tissue hypoxaemia19588001
- Erythrocytosis due to tissue hypoxemia19588001
- Erythrocytosis due to cardiovascular disease28319009
- Polycythaemia due to cyanotic heart disease191372008
- Polycythemia due to cyanotic heart disease191372008
- Transient myocardial ischaemia315026000
- Transient myocardial ischemia315026000
- ACS - Acute coronary syndrome394659003
- Acute coronary syndrome394659003
- Acute ischaemic heart disease413439005
- Acute ischemic heart disease413439005
- Acute myocardial ischaemia413444003
- Acute myocardial ischemia413444003
- Subacute ischaemic heart disease713405002
- Subacute ischemic heart disease713405002
Frequently Asked Questions
What is ICD-10 code I24.9?
ICD-10-CM code I24.9 represents "Acute ischemic heart disease, unspecified". It is a billable/specific code that can be used on a claim.
Is I24.9 a billable code?
Yes, I24.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I24.9 in?
I24.9 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I24.9?
I24.9 has Excludes1 notes indicating codes that cannot be used together with it, including: angina pectoris (I20.-); transient myocardial ischemia in newborn (P29.4); ischemic heart disease (chronic) NOS (I25.9).
What SNOMED CT codes does I24.9 map to?
I24.9 maps to 8 SNOMED CT concepts: 394659003, 413439005, 413444003, 28319009, 19588001, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I24.9?
I24.9 is linked to 1 UMLS Concept Unique Identifier: C1510446. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.