Document ID: chunk:federal_register_of_legislation:F2021L00027:reg:9:p1
Version: federal_register_of_legislation:F2021L00027
Segment Type: reg
Provision Reference: reg 9 (pt 1/3)
Character Range: 4057–7029

9               Factors that must exist
At least one of the following factors must exist before it can be said that, on the balance of probabilities, otitis externa or death from otitis externa is connected with the circumstances of a person's relevant service:
(1)          participating in aquatic activities within the ten days before the clinical onset of otitis externa;
Note: aquatic activities is defined in the Schedule 1 - Dictionary.
(2)          being exposed to hot and humid weather conditions or heavy rains, on at least ten days within the 30 days before the clinical onset of otitis externa;
Note: hot and humid weather conditions is defined in the Schedule 1 - Dictionary.
(3)          undergoing a course of therapeutic radiation for cancer, where the affected ear was in the field of radiation, before the clinical onset of otitis externa;
(4)          having trauma to the external auditory canal of the affected ear within the ten days before the clinical onset of otitis externa;
            Note: Examples of trauma include a blunt or penetrating injury, a surgical procedure and blast force.
(5)          having a foreign object or implement inserted into, or removed from, the external ear canal of the affected ear within the ten days before the clinical onset of otitis externa;
            Note: An example of a foreign body or implement is an ear lavage instrument used for aural irrigation.
(6)          blocking the external auditory canal of the affected ear with an extrinsic aural device for a cumulative period of at least 16 hours within the seven days before the clinical onset of otitis externa;
Note: extrinsic aural device is defined in the Schedule 1 - Dictionary.
(7)          having an acquired, persistent narrowing or obstruction of the external auditory canal of the affected ear at the time of the clinical onset of otitis externa;
Note 1: Examples of causes of narrowing or obstruction of the external auditory canal include:
                (a) benign or malignant neoplasm;
                (b) cerumen accumulation;
                (c) exostosis of the external auditory canal; and
                (d) granuloma.
Note 2: exostosis of the external auditory canal is defined in the Schedule 1 - Dictionary.
(8)          having an inflammatory skin disease at the time of the clinical onset of otitis externa, where the skin disease involves the external auditory canal of the affected ear;
            Note 1: Examples of an inflammatory skin disease include allergic or irritant contact dermatitis, seborrhoeic dermatitis, lichen planus, psoriasis and eczema.
            Note 2: Irritant or allergic contact dermatitis of the external auditory canal may be caused by shampoos, ototopical medications or accidental chemical splashes to the ear.
(9)          having an infectious, autoimmune or granulomatous disease at the time of the clinical onset of otitis externa, where the disease involves the external auditory canal