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Secondary hypertension
Classification and external resources
ICD-10 I15.
ICD-9 405

Secondary hypertension (or, less commonly, inessential hypertension) is a type of hypertension which by definition is caused by an identifiable underlying secondary cause. It is much less common than the other type, called essential hypertension, affecting only 5% of hypertensive patients. It has many different causes including endocrine diseases, kidney diseases, and tumors. It also can be a side effect of many medications.




Renovascular hypertension (I15.0)

It has two main causes: fibromuscular dysplasia and atheromatous stenosis.

Hypertension secondary to other renal disorders (I15.1)

Hypertension secondary to endocrine disorders (I15.2)

-caused by an excessive secretion of norepinephrine and epinephrine which promotes vasoconstriction.

- idiopathic hyperaldosteronism, liddle's syndrome( also called pseudoaldosteronism), glucocorticoid remediable aldosteronism.

Other secondary hypertension (I15.8)


The ABCDE mnemonic can be used to help determine a secondary cause of hypertension

  • A: Accuracy, Apnea, Aldosteronism
  • B: Bruits, Bad Kidney
  • C: Catecholamines, Coarctation of the Aorta, Cushing's Syndrome
  • D: Drugs, Diet
  • E: Erythropoietin, Endocrine Disorders [1]


  1. ^ "Secondary Hypertension". Hypertension Etiology & Classification - Secondary Hypertension. Armenian Medical Network. 2006. Retrieved 2007-12-02.  

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