Investigations | May Include | Limit of Data Retrieval |
---|---|---|
Historical Blood Tests | Full blood count (FBC), Total immunoglobulins E, G, M, A (IgE, IgG, IgM, IgA), Aspergillus precipitins (IgG), 25-hydroxy-vitamin D3, Anti-neutrophil cytoplasmic antibody (ANCA), Antinuclear antibody (ANA), Alpha-1-antitrypsin level (A1AT), Urea & electrolytes, Liver profile, Parathyroid hormone (PTH), Thyroid function tests (Thyroid stimulating hormone & Free thyroxine) | 10 years |
Allergy Testing | Either Skin prick tests or Specific IgE blood tests to common aeroallergens [Aspergillus fumigatus; Alternaria tenius; Cladosporium; Penicillium; Mixed moulds; Grass mix, Birch & Weed mix pollens; Dermatophagoides pteronyssinus and Dermatophagoides farinae; Feathers; Cat & Dog fur; Horse & Rabbit] | 10 years |
Radiology | Computed Tomography (CT) or High Resolution CT Chest (HRCT), CT sinuses, Dual Energy X-ray Absorptiometry (DEXA) scan | 10 years |
Oesophageal Investigation Results & History of Interventions | Oesophagogastroduodenoscopy (OGD), Oesophageal Manometry, pH/Impedance testing & surgical history | 10 years |
ENT Investigation Results & History of Interventions | Nasoendoscopy & surgical history | 10 years |
Lung Function Tests | Spirometry +/− bronchodilator reversibility | 1 year |
Fractional exhaled nitric oxide (FeNO) | 1 year | |
Gas transfer | 5 years | |
Impulse oscillometry | 1 year | |
Static lung volumes | 1 year | |
Multiple nitrogen breath washout | 1 year |