Document ID: chunk:federal_register_of_legislation:F2022C00925:reg:9:p3
Version: federal_register_of_legislation:F2022C00925
Segment Type: reg
Provision Reference: reg 9 (pt 3/4)
Character Range: 10984–14080

one pack-year is defined in the Schedule 1 - Dictionary.
(25)      where exposure to second-hand smoke has not permanently ceased, being exposed to second-hand smoke for at least 1,000 hours before the clinical worsening of carotid artery disease;
            Note: being exposed to second-hand smoke is defined in the Schedule 1 - Dictionary.
(26)      where exposure to second-hand smoke has permanently ceased before the clinical worsening of carotid artery disease:
(a)          being exposed to second-hand smoke for at least 5,000 hours; or
(b)          being exposed to second-hand smoke for at least 1,000 hours but less than 5,000 hours, and the clinical worsening of carotid artery disease has occurred within five years of the last exposure to second-hand smoke;
             Note: being exposed to second-hand smoke is defined in the Schedule 1 - Dictionary.
(27)      having hyperhomocysteinaemia before the clinical worsening of carotid artery disease;
(28)      having chronic kidney disease before the clinical worsening of carotid artery disease;
            Note: chronic kidney disease is defined in the Schedule 1 - Dictionary.
(29)      undergoing a course of therapeutic radiation for cancer, where the affected artery was in the field of radiation, before the clinical worsening of carotid artery disease;
(30)      having received a cumulative equivalent dose of at least 1.0 sievert of ionising radiation to the affected artery before the clinical worsening of carotid artery disease;
            Note: cumulative equivalent dose is defined in the Schedule 1 - Dictionary.
(31)      having infection with human immunodeficiency virus or hepatitis C virus before the clinical worsening of carotid artery disease;
(32)      having infection of the affected artery with a bacterial or fungal organism before the clinical worsening of carotid artery disease;
(33)      having an autoimmune disease of the affected artery before the clinical worsening of carotid artery disease;
            Note: Examples of autoimmune diseases that may cause carotid artery disease are ankylosing spondylitis, antiphospholipid syndrome, Behcet disease, inflammatory bowel disease, psoriatic arthropathy, rheumatoid arthritis, systemic lupus erythematosus and systemic sclerosis.
(34)      having a neoplasm infiltrating the affected segment of the artery at the time of the clinical worsening of carotid artery disease;
(35)      for dissection of the internal carotid artery only, being within the 30 days postpartum at the time of the clinical worsening of carotid artery disease;
(36)      for aneurysm, dissection or arteriovenous fistula only, having trauma to the affected segment of the artery before the clinical worsening of carotid artery disease;
            Note: trauma to the affected segment of the artery is defined in the Schedule 1 - Dictionary.
(37)      for dissection only, having trauma to the neck or the base of the skull within the three months before the clinical worsening of carotid artery disease;
            Note: trauma to the neck or the base of the skull is