Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes I00-I99 – Diseases of the circulatory system (I00-I99) > 2024 ICD-10-CM Codes I10-I16 – Hypertensive diseases (I10-I16) > 2024 ICD-10-CM Codes I16 – Hypertensive crisis (I16)