Collage illustrating awareness about hyperkalemia, its causes, symptoms, and treatment options.

ICD-10 Code for Hyperkalemia: E87.5

ICD-10 Code for Hyperkalemia is a medical condition marked by elevated potassium levels in the blood. Hyperkalemia is one of the many medical diseases for which there is a systematic classification system provided by the International Classification of Diseases, 10th Edition (ICD-10). ICD-10 specifically codes hyperkalemia as E87.5.

ICD-10 codes are alphanumeric and follow a structured format. In the case of hyperkalemia, the code E87.5 can be broken down as follows:

  • E: This is the main category for endocrine, nutritional, and metabolic diseases.
  • 87: This represents the subcategory for disorders of electrolyte and fluid balance.
  • 5: The last digit further specifies the condition, indicating hyperkalemia in this case.

Let’s now explore hyperkalemia in more detail, going over its origins, signs, diagnosis, course of therapy, and possible side effects.

Understanding ICD-10 Code for Hyperkalemia


Hyperkalemia refers to an elevated concentration of potassium in the bloodstream. Potassium is a crucial electrolyte that plays a key role in maintaining the balance of fluids and electrolytes in the body. Normal potassium levels are essential for the proper functioning of muscles, nerves, and the heart.


Several factors can contribute to the development of hyperkalemia. These include:

  1. Kidney Dysfunction: The kidneys are responsible for regulating potassium levels in the body. Kidney failure or impairment can lead to a buildup of potassium.
  2. Certain Medications: Some medications, such as certain diuretics, angiotensin-converting enzyme (ACE) inhibitors, and nonsteroidal anti-inflammatory drugs (NSAIDs), can affect potassium balance.
  3. Acidosis: Conditions that result in increased acidity in the body, such as diabetic ketoacidosis, can cause a shift of potassium from cells into the bloodstream.
  4. Adrenal Insufficiency: Disorders affecting the adrenal glands, such as Addison’s disease, can impact potassium regulation.
  5. High Potassium Intake: Excessive consumption of potassium-rich foods or supplements can contribute to hyperkalemia.


Hyperkalemia may be asymptomatic in mild cases, but as levels rise, symptoms can include:

  • Irregular heartbeats (arrhythmias)
  • Muscle weakness or paralysis
  • Fatigue
  • Numbness or tingling


Hyperkalemia is diagnosed by combining laboratory testing and clinical assessment. Serum potassium levels in particular from blood tests aid in diagnostic confirmation. To find the underlying problem, further testing might be done.


Management of hyperkalemia aims to lower potassium levels and address the underlying cause. Treatment options may include:

  1. Medications: Diuretics, potassium-binding resins, and medications that promote potassium excretion can be prescribed.
  2. Dietary Changes: Adjusting potassium intake by avoiding high-potassium foods is often recommended.
  3. Insulin and Glucose: In emergency situations, insulin and glucose may be administered to shift potassium back into cells.
  4. Dialysis: In severe cases, especially when kidney function is compromised, dialysis may be necessary to remove excess potassium from the body.


If left untreated, hyperkalemia can lead to serious complications, including cardiac arrhythmias and, in severe cases, cardiac arrest. Prompt identification and management are crucial to prevent complications.


In conclusion, hyperkalemia is a disease that is defined by high potassium levels in the blood. Hyperkalemia is classified under the larger category of diseases of electrolyte and fluid balance, and its ICD-10 code is E87.5.

Healthcare professionals and consumers alike must comprehend the origins, symptoms, diagnosis, treatment, and possible implications of hyperkalemia. The prevention of serious consequences linked to this electrolyte imbalance is contingent upon prompt intervention and adequate care.

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Mohd Shuaib is a dedicated and knowledgeable author with a strong background in the field of health and medical sciences. With a Master of Science degree and a passion for writing, Shuaib has established himself as a reputable content writer at DiseaseInfoHub, a prominent platform for disseminating accurate and up-to-date information about various diseases and health-related topics.

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