Diagnosis Code I12
Information for Medical Professionals
References found for the code I12 in the Index of Diseases and Injuries:
- Includes Notes: Includes Notes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- any condition in N18 and N26 - due to hypertension
- arteriosclerosis of kidney
- arteriosclerotic nephritis (chronic) (interstitial)
- hypertensive nephropathy
- Type 1 Excludes Notes: Type 1 Excludes Notes
A type 1 Excludes note is a pure excludes note. It means “NOT CODED HERE!” An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- hypertension due to kidney disease (I15.0, I15.1)
- renovascular hypertension (I15.0)
- secondary hypertension (I15.-)
- Type 2 Excludes Notes: "And"
The word “and” should be interpreted to mean either “and” or “or” when it appears in a title.
- acute kidney failure (N17.-)
Information for Patients
Chronic Kidney Disease
Also called: CKD
You have two kidneys, each about the size of your fist. Their main job is to filter wastes and excess water out of your blood to make urine. They also keep the body's chemical balance, help control blood pressure, and make hormones.
Chronic kidney disease (CKD) means that your kidneys are damaged and can't filter blood as they should. This damage can cause wastes to build up in your body. It can also cause other problems that can harm your health. Diabetes and high blood pressure are the most common causes of CKD.
The kidney damage occurs slowly over many years. Many people don't have any symptoms until their kidney disease is very advanced. Blood and urine tests are the only way to know if you have kidney disease.
Treatment may include medicines to lower blood pressure, control blood glucose, and lower blood cholesterol. CKD can get worse over time. CKD may lead to kidney failure. The only treatment options for kidney failure are dialysis or a kidney transplantation.
You can take steps to keep your kidneys healthier longer:
- Choose foods with less salt (sodium)
- Keep your blood pressure below 130/80
- Keep your blood glucose in the target range, if you have diabetes
NIH: National Institute of Diabetes and Digestive and Kidney Diseases
- ACE inhibitors
- Chronic kidney disease
- Chronic Kidney Disease and Medicines: What You Need to Know - NIH (National Kidney Disease Education Program)
- High Blood Pressure (American Kidney Fund)
- Phosphorus: Tips for People with Chronic Kidney Disease (CKD) - NIH (National Kidney Disease Education Program)
- Potassium: Tips for People with Chronic Kidney Disease (CKD) - NIH (National Kidney Disease Education Program)
- Protein: Tips for People with Chronic Kidney Disease (CKD) - NIH (National Kidney Disease Education Program)
- Sodium: Tips for People with Chronic Kidney Disease (CKD) - NIH (National Kidney Disease Education Program)
High Blood Pressure
Also called: Benign essential hypertension, Essential hypertension, HBP, HTN, Hypertension
Blood pressure is the force of your blood pushing against the walls of your arteries. Each time your heart beats, it pumps blood into the arteries. Your blood pressure is highest when your heart beats, pumping the blood. This is called systolic pressure. When your heart is at rest, between beats, your blood pressure falls. This is called diastolic pressure.
Your blood pressure reading uses these two numbers. Usually the systolic number comes before or above the diastolic number. A reading of
- 119/79 or lower is normal blood pressure
- 140/90 or higher is high blood pressure
- Between 120 and 139 for the top number, or between 80 and 89 for the bottom number is called prehypertension. Prehypertension means you may end up with high blood pressure, unless you take steps to prevent it.
High blood pressure usually has no symptoms, but it can cause serious problems such as stroke, heart failure, heart attack and kidney failure.
You can control high blood pressure through healthy lifestyle habits such as exercise and the DASH diet and taking medicines, if needed.
NIH: National Heart, Lung, and Blood Institute
- ACE inhibitors
- Blood pressure measurement
- Blood pressure monitors for home
- Controlling your high blood pressure
- Drug-induced hypertension
- High blood pressure
- High blood pressure and eye disease
- High blood pressure medications
- Hypertensive heart disease
- Low-salt diet
- Malignant hypertension
- Renovascular hypertension
- Talk with Your Health Care Provider about High Blood Pressure (Agency for Healthcare Research and Quality)