ICD-10-CM Code For Essential (Primary) Hypertension: Group Overview
The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group I10 includes diagnoses for essential or primary hypertension, covering sustained high blood pressure without a documented secondary cause and related clinical descriptors. These ICD-10-CM diagnosis codes are used to document patient encounters for management of chronic elevated arterial blood pressure, medication management, and monitoring for hypertensive complications. Accurate coding within the ICD-10-CM I10 group supports proper claim adjudication.
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ICD-10-CM I10: Essential (primary) Hypertension Overview
The diagnoses in this group represent essential or primary hypertension, a chronic condition characterized by persistently elevated arterial blood pressure affecting the cardiovascular system. These codes target the diagnosis of elevated blood pressure without identifiable secondary causes and are used across inpatient and outpatient clinical settings. Accurate coding ensures diagnoses are reflected in the medical record and supports appropriate reimbursement through clear documentation.