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Diagnosis Hematology & Blood & Marrow Transplant (BMT)

Immune Thrombocytopenia
Diagnosis

ITP is suspected when an otherwise healthy patient has symptoms of a low platelet count, or is found to have a low platelet count on a routine complete blood count (CBC) test.

There is no one specific test to prove a patient has ITP. Instead, ITP is diagnosed by excluding other causes of a low platelet count. This includes making sure that the person does not have:

For certain individuals, additional testing can be performed to rule out:

  • Helicobacter pylori infection
  • Viral infections
  • Myelodysplastic syndrome (especially if the patient is over the age of 60)

Occasionally, certain medications (including some over-the-counter medications), pregnancy or medical conditions, such as immune disorders or infections, will be associated with ITP. However, there is often no identifiable disease associated with ITP.

UCSF Health medical specialists have reviewed this information. It is for educational purposes only and is not intended to replace the advice of your doctor or other health care provider. We encourage you to discuss any questions or concerns you may have with your provider.

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