ICD-9 Diagnosis Code 999.72

Rh incompat/acute HTR

Diagnosis Code 999.72

ICD-9: 999.72
Short Description: Rh incompat/acute HTR
Long Description: Rh incompatibility with acute hemolytic transfusion reaction
This is the 2014 version of the ICD-9-CM diagnosis code 999.72

Code Classification
  • Injury and poisoning
    • Complications of surgical and medical care, not elsewhere classified (996-999)
      • 999 Complications of medical care, not elsewhere classified

Information for Medical Professionals

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Index of Diseases and Injuries
References found for the code 999.72 in the Index of Diseases and Injuries:

    • Complications
      • transfusion (blood) (lymphocytes) (plasma) 999.80
        • incompatibility reaction
          • Rh antigen (C) (c) (D) (E) (e) (factor) 999.70
            • with hemolytic transfusion reaction (HTR) (not specified as acute or delayed) 999.71
              • acute 999.72
    • HTR (hemolytic transfusion reaction)
      • due to or resulting from
        • incompatibility
          • Rh antigen (C) (c) (D) (E) (e) 999.71
            • acute 999.72

Information for Patients

Rh Incompatibility

There are four major blood types: A, B, O, and AB. The types are based on substances on the surface of the blood cells. Another blood type is called Rh. Rh factor is a protein on red blood cells. Most people are Rh-positive; they have Rh factor. Rh-negative people don't have it. Rh factor is inherited though genes.

When you're pregnant, blood from your baby can cross into your bloodstream, especially during delivery. If you're Rh-negative and your baby is Rh-positive, your body will react to the baby's blood as a foreign substance. It will create antibodies (proteins) against the baby's blood. These antibodies usually don't cause problems during a first pregnancy.

But Rh incompatibility may cause problems in later pregnancies, if the baby is Rh-positive. This is because the antibodies stay in your body once they have formed. The antibodies can cross the placenta and attack the baby's red blood cells. The baby could get Rh disease, a serious condition that can cause a serious type of anemia.

Blood tests can tell whether you have Rh factor and whether your body has made antibodies. Injections of a medicine called Rh immune globulin can keep your body from making Rh antibodies. It helps prevent the problems of Rh incompatibility. If treatment is needed for the baby, it can include supplements to help the body to make red blood cells and blood transfusions.

NIH: National Heart, Lung, and Blood Institute

  • Fetal-maternal erythrocyte distribution
  • Hemolytic disease of the newborn
  • Rh incompatibility

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