ICD-10 Diagnosis Code D47.3

Essential (hemorrhagic) thrombocythemia

Diagnosis Code D47.3

ICD-10: D47.3
Short Description: Essential (hemorrhagic) thrombocythemia
Long Description: Essential (hemorrhagic) thrombocythemia
This is the 2018 version of the ICD-10-CM diagnosis code D47.3

Valid for Submission
The code D47.3 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Neoplasms (C00–D48)
    • Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)
      • Oth neoplm of uncrt behav of lymphoid, hematpoetc & rel tiss (D47)

Information for Medical Professionals

Information for Patients

Platelet Disorders

Also called: Thrombocyte disorders

Platelets are little pieces of blood cells. Platelets help wounds heal and prevent bleeding by forming blood clots. Your bone marrow makes platelets. Problems can result from having too few or too many platelets, or from platelets that do not work properly.

If your blood has a low number of platelets, it is called thrombocytopenia. This can put you at risk for mild to serious bleeding. If your blood has too many platelets, you may have a higher risk of blood clots. With other platelet disorders, the platelets do not work as they should. For example, in von Willebrand Disease, the platelets cannot stick together or cannot attach to blood vessel walls. This can cause excessive bleeding.

Treatment of platelet disorders depends on the cause.

NIH: National Heart, Lung, and Blood Institute

  • Bleeding time (Medical Encyclopedia)
  • Congenital platelet function defects (Medical Encyclopedia)
  • Glanzmann disease (Medical Encyclopedia)
  • Idiopathic thrombocytopenic purpura (ITP) (Medical Encyclopedia)
  • Partial thromboplastin time (PTT) (Medical Encyclopedia)
  • Platelet aggregation test (Medical Encyclopedia)
  • Primary thrombocythemia (Medical Encyclopedia)
  • Purpura (Medical Encyclopedia)
  • Thrombocytopenia (Medical Encyclopedia)
  • Thromobocytopenia - drug-induced (Medical Encyclopedia)


Essential thrombocythemia Essential thrombocythemia is a condition characterized by an increased number of platelets (thrombocythemia). Platelets (thrombocytes) are blood cell fragments involved in blood clotting. While some people with this condition have no symptoms, others develop problems associated with the excess platelets.Abnormal blood clotting (thrombosis) is common in people with essential thrombocythemia and causes many signs and symptoms of this condition. Clots that block blood flow to the brain can cause strokes or temporary stroke-like episodes known as transient ischemic attacks. Thrombosis in the legs can cause leg pain, swelling, or both. In addition, clots can travel to the lungs (pulmonary embolism), blocking blood flow in the lungs and causing chest pain and difficulty breathing (dyspnea).Another problem in essential thrombocythemia is abnormal bleeding, which occurs more often in people with a very high number of platelets. Affected people may have nosebleeds, bleeding gums, or bleeding in the gastrointestinal tract. It is thought that bleeding occurs because a specific protein in the blood that helps with clotting is reduced, although why the protein is reduced is unclear.Other signs and symptoms of essential thrombocythemia include an enlarged spleen (splenomegaly); weakness; headaches; or a sensation in the skin of burning, tingling, or prickling. Some people with essential thrombocythemia have episodes of severe pain, redness, and swelling (erythromelalgia), which commonly occur in the hands and feet.
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