Test of cell‑mediated immune response in blood for the detection of latent tuberculosis by interferon gamma release assay (IGRA) in the following people: (a) a person who has been exposed to a confirmed case of active tuberculosis; (b) a person who is infected with human immunodeficiency virus; (c) a person who is to commence, or has commenced, tumour necrosis factor (TNF) inhibitor therapy; (d) a person who is to commence, or has commenced, renal dialysis; (e) a person with silicosis; (f) a person who is, or is about to become, immunosuppressed because of a disease, or a medical treatment, not mentioned in paragraphs (a) to (e)