Q:

What is the ICD 9 code for hypertension?

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Quick Answer

The Centers for Medicare and Medicaid Services lists the ICD-9 Code for primary pulmonary hypertension as 416.0. The ICD-9 Code for hypertension screening is V81.1.

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Full Answer

According to CMS, there are multiple ICD-9 codes that relate to hypertension. Five-digit ICD-9 Codes beginning with 401 relate to essential hypertension. Five-digit ICD-9 Codes that begin with 405 relate to secondary hypertension. Five-digit ICD-9 Codes that begin with 459 relate to chronic venous hypertension. ICD-9 Code 572.3 relates to portal hypertension. Five-digit ICD-9 Codes that begin with 642 refer to hypertension associated with pregnancy. Cranial hypertension is coded 348.2, and ocular hypertension is coded 365.04. Hypertension with no other classification is coded 997.91. Elevated blood pressure without a hypertension diagnosis is coded 796.2.

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