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ICD 9 CM Code 401.9- Essential hypertension, Unspecified.
ICD 9 Cm code 401.9 : Unspecified Essential hypertension
these are misnomers actually,when there is no evident cause of hypertension then it is called idiopathic/benign/primary/unspecified hypertension. http://treathypertension.blogspot.com/
unspecified hypertension
YES For Unspecified Hypertension 401.9
Hypertension without a known cause is called primary or essential hypertension.
Essential Hypertension
Essential hypertensionBenign essential hypertensionBenign essential hypertension401.1 Benign (for Hypertension)401.0 Malignant (for Hypertension)
true
Essential hypertension means there is no known causes. Secondary hypertension means there is some known cause of your elevated pressure. Treatment would gear toward whatever that cause. However, the majority of hypertension is essential.
Essential hypertension is high blood pressure without a clear underlying cause, while secondary hypertension is high blood pressure that is due to a specific medical condition, such as kidney disease or hormonal disorders. Essential hypertension is more common and typically develops gradually over time, whereas secondary hypertension can develop suddenly and may require treatment of the underlying cause.
Essential hypertension is presence of sustained hypertension (>140/90) mm hg without any presence of disease.