I10 is a billable/specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Essential (primary) hypertension.
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High blood pressure
Hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
Hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
Essential (primary) hypertension involving vessels of brain (I60-I69)
Essential (primary) hypertension involving vessels of eye (H35.0-)
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