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Free 2008 ICD-9-CM Database
2008 ICD-9-CM Volume 1 Diagnosis Codes
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> Diseases Of The Circulatory System
390-459
> Hypertensive Disease
401-405
> Secondary Hypertension
405.*
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2008 ICD-9-CM Diagnosis 405.09
Other malignant secondary hypertension
405.09 is a specific code that can be used to specify a diagnosis
View the ICD-9-CM Volume 1
405.* hierarchy