2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Hypertensive Disease 401-405 > Hypertensive Heart And Renal Disease 404.* > 2006 ICD-9-CM Diagnosis 404.9 Unspecified hypertensive heart and renal disease View the most recent version of ICD-9-CM 404.9 404.9 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 404.* hierarchy