Document ID: chunk:federal_register_of_legislation:F2021L01173:reg:7
Version: federal_register_of_legislation:F2021L01173
Segment Type: reg
Provision Reference: reg 7
Character Range: 1679–3749

7               Kind of injury, disease or death to which this Statement of Principles relates
(1)          This Statement of Principles is about essential thrombocythaemia and death from essential thrombocythaemia.
Meaning of essential thrombocythaemia
(2)          For the purposes of this Statement of Principles, essential thrombocythaemia:
(a)          means a chronic, Philadelphia-chromosome negative myeloproliferative neoplasm characterised by bone marrow megakaryocytic proliferation, resulting in excessive, clonal platelet production and marked thrombocytosis in peripheral blood; and
(b)          excludes secondary or reactive thrombocytosis.
             Note 1: Typical clinical manifestations of essential thrombocythaemia include formation of blood clots, bleeding, fatigue, night sweats, visual disturbances, headache, nausea and abdominal pain.
             Note 2: The clinical course is usually indolent, but transformation to bone marrow failure, myelofibrosis and acute leukaemia may occur.
             Note 3: Causes of secondary or reactive thrombocytosis include infection, trauma and haemorrhage.
(3)          While essential thrombocythaemia attracts ICD‑10‑AM code D47.3, in applying this Statement of Principles the meaning of essential thrombocythaemia is that given in subsection (2).
(4)          For subsection (3), a reference to an ICD-10-AM code is a reference to the code assigned to a particular kind of injury or disease in The International Statistical Classification of Diseases and Related Health Problems, Tenth Revision, Australian Modification (ICD-10-AM), Tenth Edition, effective date of 1 July 2017, copyrighted by the Independent Hospital Pricing Authority, ISBN 978-1-76007-296-4.
Death from essential thrombocythaemia
(5)          For the purposes of this Statement of Principles, essential thrombocythaemia, in relation to a person, includes death from a terminal event or condition that was contributed to by the person's essential thrombocythaemia.
Note: terminal event is defined in the Schedule 1 - Dictionary.