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Macroprolactin
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MAG (Myelin associated glycoprotein)
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Magnesium
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Magnesium/creatinine ratio
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Malarial Parasites
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Manganese
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Measles DNA
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Measles IgG (immunity screen)
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Measles IgM/G (infection screen)
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Meningitis/Encephalitis - refer to CSF and/or blood culture pages
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Metanephrines (urine)
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Mitochondrial antibody
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Mitochondrial DNA
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MOG (Myelin Oligodendrocyte glycoprotein)
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Molecular Genetics
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Mouth swab
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MPL mutation
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MPO
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Mpox (Monkeypox)
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MRSA screen swabs
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Mucopolysaccharides (Glycosaminoglycans)
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Mumps IgG (immunity screen)
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Mumps IgM/G (infection screen)
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Mycobacterium species (culture or PCR)
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Mycology
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Mycoplasma antibody CFT
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Myositis screen