Billable Medical Code for Unspecified Essential Hypertension
Diagnosis Code for Reimbursement Claim: ICD-9-CM 401.9
Code will be replaced by October 2015 and relabeled as ICD-10-CM 401.9.
The Short Description Is: Hypertension NOS.
Uncontrolled hypertension is also known as essential HTN, essential hypertension, good hypertension control, Htn, HTN (Hypertension), HTN uncontrolled, hypertension, hypertension (high blood pressure), hypertension (high blood pressure) uncontrolled, hypertension (high blood pressure) well controlled, hypertension uncontrolled, hypertension well controlled, hypertensive disorder,
hypertensive disorder systemic arterial, hypertensive emergency, hypertensive urgency, and uncontrolled hypertension.
Uncontrolled Hypertension Definition and Symptoms
Uncontrolled hypertension is defined as a systolic blood pressure >140 mmHG and a diastolic blood pressure >90 mmHG. Uncontrolled refers to a person who is not being treated for hypertension. Most people have few or no symptoms with hypertension, however some of the symptoms that are experienced are dull headaches, dizzy spells, more nosebleeds than normal, and rapid heartbeat.