E87.6: Hypokalaemia

Your blood potassium levels were too low.

Potassium is very important for the cells in our body. The right amounts of potassium must be present in the blood for our cells to be able to work properly. The amount of potassium in the blood is affected for instance by messenger substances and the kidneys.

Your blood potassium levels were too low. That can occur for instance if you excrete too much potassium. You may lose a lot of potassium due to severe diarrhea or severe vomiting. Some drugs or a diseased kidney can also cause a lot of potassium to be excreted. You may also have too little potassium in your blood if you consume insufficient potassium with your food. Potassium is included in potatoes, bananas and vegetables, for example. The fluid balance in the body also affects the potassium content in the blood.

If you have too little potassium in your body, you may have various symptoms. You may feel weak and tired. You may have an irregular heartbeat or you might get cramps in your muscles.

Additional indicator

On medical documents, the ICD code is often appended by letters that indicate the diagnostic certainty or the affected side of the body.

  • G: Confirmed diagnosis
  • V: Tentative diagnosis
  • Z: Condition after
  • A: Excluded diagnosis
  • L: Left
  • R: Right
  • B: Both sides

Further information


This information is not intended for self-diagnosis and does not replace professional medical advice from a doctor. If you find an ICD code on a personal medical document, please also note the additional indicator used for diagnostic confidence.
Your doctor will assist you with any health-related questions and explain the ICD diagnosis code to you in a direct consultation if necessary.


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