
2006 ICD-9-CM Diagnosis Code 401
Essential hypertension
- There are 3 ICD-9-CM codes below 401 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
- You are viewing the 2006 version of ICD-9-CM 401.
- More recent version(s) of ICD-9-CM 401: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
401 Includes

- high blood pressure
- hyperpiesia
- hyperpiesis
- hypertension (arterial) (essential) (primary) (systemic)
- hypertensive vascular: