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P55.1: ABO isoimmunization of fetus and newborn

During the period in the womb or shortly after the birth, antibodies destroyed red cells in the child's blood.

Blood is made up of a liquid part and different blood cells, among other things. The blood cells include the red blood cells, the white blood cells and the platelets. The red blood cells carry oxygen from the lungs throughout the body. In red blood cells there are particular characteristics. These characteristics are used as the basis for differentiating between blood groups. A distinction is drawn, for example, between blood groups A, B, AB and O.

When the mother and the unborn child have different blood groups, the maternal body can produce antibodies. The mother's antibodies attack the child's red blood cells. In certain cases these antibodies can get to the child and damage its red blood cells. This can create problems for the child.

If the antibodies damage the red blood cells, the child may have too few red blood cells in its blood. The blood can then no longer transport as much oxygen. Damaged blood cells get broken down in the body. The by-products from the red blood cells can also accumulate in certain parts of the body. The by-products can make the eyes or skin turn yellow, for example.

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).