2026 ICD-10-CM Diagnosis Code P61.0Transient neonatal thrombocytopenia

AHRQ’s CCSR groups this code into broader clinical categories.

• Acquired Thrombotic Thrombocytopenic Purpura|Acquired ADAMTS13 Deficiency|Acquired TTP

  thrombotic thrombocytopenic purpura for which the cause is not present at birth.

• Congenital Thrombotic Thrombocytopenic Purpura|Congenital ADAMTS-13 Deficiency|Congenital ADAMTS13 Deficiency|Congenital TTP

  thrombotic thrombocytopenic purpura for which the cause is present from birth.

• Grade 3 Thrombotic Thrombocytopenic Purpura, CTCAE|Grade 3 Thrombotic thrombocytopenic purpura

  laboratory findings with clinical consequences (e.g., renal insufficiency, petechiae)

• Grade 4 Thrombotic Thrombocytopenic Purpura, CTCAE|Grade 4 Thrombotic thrombocytopenic purpura

  life-threatening consequences, (e.g., cns hemorrhage or thrombosis/embolism or renal failure)

• Grade 5 Thrombotic Thrombocytopenic Purpura, CTCAE|Grade 5 Thrombotic thrombocytopenic purpura

  death

• Primary Immune Thrombocytopenia|ITP|ITP|ITP|ITP|Idiopathic Thrombocytopenia|Idiopathic Thrombocytopenia Purpura|Idiopathic Thrombocytopenic Purpura|Idiopathic Thrombocytopenic Purpura|Idiopathic Thrombocytopenic Purpura|Idiopathic Thrombocytopenic Purpura|Immune Thrombocytopenia|Immune Thrombocytopenic Purpura|Immune thrombocytopenic purpura|idiopathic thrombocytopenic purpura|immune thrombocytopenic purpura

  acquired thrombocytopenia of unknown cause, characterized by immune-mediated destruction of normal platelets. it affects both children and adults. it manifests with petechiae, purpura, and overt bleeding. based upon the duration of the disease, it is classified as newly diagnosed (from diagnosis until 3 months), persistent (3-12 months), and chronic (lasting for more than 12 months).

• Thrombocytopenic Purpura

  purpura associated with a reduction in circulating blood platelets which can result from a variety of factors.

• Thrombotic Thrombocytopenic Purpura, CTCAE|Thrombotic Thrombocytopenic Purpura|Thrombotic thrombocytopenic purpura

  a disorder characterized by the presence of microangiopathic hemolytic anemia, thrombocytopenic purpura, fever, renal abnormalities and neurological abnormalities such as seizures, hemiplegia, and visual disturbances. it is an acute or subacute condition.

• Thrombotic Thrombocytopenic Purpura|Moschowitz Disease|TTP|TTP|Thrombotic thrombocytopenic purpura

  a coagulation disorder characterized by extensive formation of thrombi in small blood vessels throughout the body due to low levels of adamts13 protein, and resulting in consumption of circulating platelets, which is characterized by thrombocytopenia, anemia, neurologic changes, and sometimes fever and renal dysfunction.

• Neonatal Alloimmune Thrombocytopenia|NAIT|Neonatal Thrombocytopenia due to Platelet Alloimmunization

  thrombocytopenia that occurs in neonates as a consequence of transplacental passage of maternal alloantibodies directed against fetal platelet antigens.

• Neonatal Thrombocytopenia

  a condition characterized by a decrease in the number of platelets in the blood below established reference ranges in a newborn.

• Thrombocytopenic Disorder

  a disorder of platelets characterized by a finding of low platelet concentrations (thrombocytopenia) typically below 50,000 platelets per microliter of blood.

• Acquired Amegakaryocytic Thrombocytopenia|AAMT|AAT|AATP|Acquired Amegakaryocytic Thrombocytopenic Purpura

  a rare bone marrow disorder characterized by a marked decrease or complete absence of megakaryocytes with preservation of all other hematopoietic cell lineages. causes include toxins, viruses, drugs, and humoral and cell-mediated suppression of megakaryocytopoeisis. it usually presents with bleeding, severe thrombocytopenia, and absence of splenomegaly. it is often misdiagnosed as immune thrombocytopenic purpura (itp).

• Thrombotic Thrombocytopenic Purpura, CTCAE|Thrombotic Thrombocytopenic Purpura|Thrombotic thrombocytopenic purpura

  a disorder characterized by a deficiency of adamts13 and the presence of microangiopathic hemolytic anemia, thrombocytopenic purpura, fever, renal abnormalities and neurological abnormalities such as seizures, hemiplegia, and visual disturbances. it is an acute or subacute condition.

Platelet Disorders

Platelets, also known as thrombocytes, are blood cells. They form in your bone marrow, a sponge-like tissue in your bones. Platelets play a major role in blood clotting. Normally, when one of your blood vessels is injured, you start to bleed.

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