I10
Essential (primary) hypertension
Hypertensive diseases (I10-I1A)
Chapter 9: Diseases of the circulatory system (I00-I99)
24 codes in this range
I11
Hypertensive heart disease
I11.0
Hypertensive heart disease with heart failure
I11.9
Hypertensive heart disease without heart failure
I12
Hypertensive chronic kidney disease
I12.0
Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
I12.9
Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
I13
Hypertensive heart and chronic kidney disease
I13.0
Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
I13.1
Hypertensive heart and chronic kidney disease without heart failure
I13.10
Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
I13.11
Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease
I13.2
Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
I15
Secondary hypertension
I15.0
Renovascular hypertension
I15.1
Hypertension secondary to other renal disorders
I15.2
Hypertension secondary to endocrine disorders
I15.8
Other secondary hypertension
I15.9
Secondary hypertension, unspecified
I16
Hypertensive crisis
I16.0
Hypertensive urgency
I16.1
Hypertensive emergency
I16.9
Hypertensive crisis, unspecified
I1A
Other hypertension