Hypertensive diseases (I10-I1A)
I10Essential (primary) hypertension
Includes: high blood pressure
› hypertension (arterial) (benign) (essential) (malignant) (primary) (systemic)
Excludes 1: hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
Excludes 2: essential (primary) hypertension involving vessels of brain (I60-I69)
› essential (primary) hypertension involving vessels of eye (H35.0-)
I11Hypertensive heart disease
Includes: any condition in I50.- or I51.4-I51.7, I51.89, I51.9 due to hypertension
I11.0Hypertensive heart disease with heart failure
› Hypertensive heart failure
Use Additional Code: code to identify type of heart failure (I50.-)
I11.9Hypertensive heart disease without heart failure
› Hypertensive heart disease NOS
I12Hypertensive chronic kidney disease
Includes: any condition in N18 and N26 - due to hypertension
› arteriosclerosis of kidney
› arteriosclerotic nephritis (chronic) (interstitial)
› hypertensive nephropathy
› nephrosclerosis
Excludes 1: hypertension due to kidney disease (I15.0, I15.1)
› renovascular hypertension (I15.0)
› secondary hypertension (I15.-)
Excludes 2: acute kidney failure (N17.-)
I12.0Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
Use Additional Code: code to identify the stage of chronic kidney disease (N18.5, N18.6)
I12.9Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
› Hypertensive chronic kidney disease NOS
› Hypertensive renal disease NOS
Use Additional Code: code to identify the stage of chronic kidney disease (N18.1-N18.4, N18.9)
I13Hypertensive heart and chronic kidney disease
Includes: any condition in I11.- with any condition in I12.-
› cardiorenal disease
› cardiovascular renal disease
I13.0Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
Use Additional Code: code to identify type of heart failure (I50.-)
Use Additional Code: code to identify stage of chronic kidney disease (N18.1-N18.4, N18.9)
I13.1Hypertensive heart and chronic kidney disease without heart failure
I13.10Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
› Hypertensive heart disease and hypertensive chronic kidney disease NOS
Use Additional Code: code to identify the stage of chronic kidney disease (N18.1-N18.4, N18.9)
I13.11Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease
Use Additional Code: code to identify the stage of chronic kidney disease (N18.5, N18.6)
I13.2Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
Use Additional Code: code to identify type of heart failure (I50.-)
Use Additional Code: code to identify the stage of chronic kidney disease (N18.5, N18.6)
I15Secondary hypertension
Code Also: underlying condition
Excludes 1: postprocedural hypertension (I97.3)
Excludes 2: secondary hypertension involving vessels of brain (I60-I69)
› secondary hypertension involving vessels of eye (H35.0-)
I15.0Renovascular hypertension
I15.1Hypertension secondary to other renal disorders
I15.2Hypertension secondary to endocrine disorders
I15.8Other secondary hypertension
I15.9Secondary hypertension, unspecified
I16Hypertensive crisis
Code Also: any identified hypertensive disease (I10-I15, I1A)
I16.0Hypertensive urgency
I16.1Hypertensive emergency
Code Also: , if applicable, to identify specific organ dysfunction, such as:
› acute kidney injury (N17.-)
› acute myocardial infarction (I21.-)
› acute pulmonary edema (left and/or right ventricular failure) (J81.0, I50.-)
› aortic dissection (I71.0-)
› cerebral hemorrhage (I60.-. I61.-, I62.-)
› cerebral infarction (I63.-)
› eclampsia (O15.-)
› hypertensive encephalopathy (I67.4)
› seizure (R56.9)
I16.9Hypertensive crisis, unspecified
I1AOther hypertension
I1A.0Resistant hypertension
› Apparent treatment resistant hypertension
› Treatment resistant hypertension
› True resistant hypertension
Code First: specific type of existing hypertension, if known, such as:
› essential hypertension (I10)
› secondary hypertension (I15.-)