E73.8: Other lactose intolerance

You are lactose intolerant.

In the body, certain proteins ensure that processes run better or more quickly. These proteins are also known as enzymes. Lactose (milk sugar) must be broken down by a specific enzyme in the intestines. Only then can lactose be absorbed. Your intestines cannot absorb and process lactose. Lactose then gets into intestinal segments where no sugar should be. The sugar is broken down there by normal gut bacteria. If you consume lactose anyway, you may therefore experience abdominal pain or diarrhea, for example.

Many people in the world have too little of this enzyme or the enzyme does not work properly. When a small child no longer receives milk from their mother, the enzyme does not work as effectively. Many dairy products are used in Germany. This is why the body is trained to process lactose, meaning the enzyme continues to work normally after a person is no longer receiving their mother’s milk. In other countries, fewer or no dairy products are used. For this reason, people from such regions are likely not to tolerate lactose.

Various diseases can damage the intestines. So your intestines can no longer process lactose. The intolerance can also be congenital, which means you were born with it.

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

Note

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.

Source

Provided by the non-profit organization “Was hab’ ich?” gemeinnützige GmbH on behalf of the Federal Ministry of Health (BMG).

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Lactose intolerance

Some people get digestive problems after drinking milk or eating dairy products. This may be due to a lactose intolerance: people affected can only tolerate small amounts of milk sugar.