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Taxonomy Codes
I51.8 OTHER ILL-DEFINED HEART DISEASES
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ICD-10 List
I00–I99
I30-I5A
I51
I51.8
Code Information
Diagnosis Code:
I51.8
Short Description:
Other ill-defined heart diseases
Long Description:
Other ill-defined heart diseases
Code Version:
2025 ICD-10-CM
The code I51.8 is NOT VALID for claim submission
Code Classification
Diseases of the circulatory system (I00–I99)
Other forms of heart disease (I30-I5A)
Complications and ill-defined descriptions of heart disease (I51)
Similar Codes
ICD-10 Code
ICD-10 Description
I51
Complications and ill-defined descriptions of heart disease
I51.0
Cardiac septal defect, acquired
I51.1
Rupture of chordae tendineae, not elsewhere classified
I51.2
Rupture of papillary muscle, not elsewhere classified
I51.3
Intracardiac thrombosis, not elsewhere classified
I51.4
Myocarditis, unspecified
I51.5
Myocardial degeneration
I51.7
Cardiomegaly
I51.81
Takotsubo syndrome
I51.89
Other ill-defined heart diseases
I51.9
Heart disease, unspecified
This page was last updated on: 10/1/2025
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