Document ID: chunk:federal_register_of_legislation:F2021L01908:reg:7
Version: federal_register_of_legislation:F2021L01908
Segment Type: reg
Provision Reference: reg 7
Character Range: 1673–4072

7               Kind of injury, disease or death to which this Statement of Principles relates
(1)          This Statement of Principles is about Hashimoto thyroiditis and death from Hashimoto thyroiditis.
Meaning of Hashimoto thyroiditis
(2)          For the purposes of this Statement of Principles, Hashimoto thyroiditis:
(a)          means a chronic, inflammatory, autoimmune disease of the thyroid gland characterised by varying degrees of lymphocytic infiltration and fibrosis of the thyroid gland, and typically presenting with a high titre of circulating antibodies against thyroid peroxidase (TPO) or thyroglobulin (Tg); and
(b)          includes:
(i)            goitrous thyroiditis;
(ii)         atrophic thyroiditis; and
(iii)       chronic autoimmune thyroiditis with transient thyrotoxicosis (Hashitoxicosis); and
(c)          excludes:
(i)            Graves disease;
(ii)         non-autoimmune chronic thyroiditis;
(iii)       postpartum thyroiditis;
(iv)        secondary hypothyroidism; and
(v)          subacute thyroiditis.
             Note 1: Presenting features typically include a goitre and hypothyroidism, although some patients may be hyperthyroid during the course of the disease.
             Note 2: Hashimoto thyroiditis is also known as chronic autoimmune thyroiditis or chronic lymphocytic thyroiditis.
Note 3: Hashimoto thyroiditis may present as myxoedema coma.
Note 4: myxoedema coma is defined in the Schedule 1 - Dictionary.
(3)          While Hashimoto thyroiditis attracts ICD‑10‑AM codes E03.4, E03.5 or E06.3, in applying this Statement of Principles the meaning of Hashimoto thyroiditis 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 Hashimoto thyroiditis
(5)          For the purposes of this Statement of Principles, Hashimoto thyroiditis, in relation to a person, includes death from a terminal event or condition that was contributed to by the person's Hashimoto thyroiditis.
Note: terminal event is defined in the Schedule 1 - Dictionary.