2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Other Forms Of Heart Disease 420-429 > ICD-9-CM Diagnosis 423 Other diseases of pericardium 423 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 423.0 Hemopericardium 423.0 is a specific code that can be used to specify a diagnosis 423.0 contains 3 index entries ICD-9-CM Diagnosis 423.1 Adhesive pericarditis 423.1 is a specific code that can be used to specify a diagnosis 423.1 contains 14 index entries ICD-9-CM Diagnosis 423.2 Constrictive pericarditis 423.2 is a specific code that can be used to specify a diagnosis 423.2 contains 22 index entries ICD-9-CM Diagnosis 423.8 Other specified diseases of pericardium 423.8 is a specific code that can be used to specify a diagnosis 423.8 contains 10 index entries ICD-9-CM Diagnosis 423.9 Unspecified disease of pericardium 423.9 is a specific code that can be used to specify a diagnosis 423.9 contains 20 index entries