Biomarker Reference · Pen ch IgE
Penicillium chrysogenum IgE (Pen ch IgE) is a clinical biomarker used in environmental-mould assessment. Penicillium chrysogenum (formerly Penicillium notatum) is a cosmopolitan mould found on decaying food, damp walls, and in poorly ventilated indoor spaces. It is measured in 3 laboratory tests on BiomarkersLabs.com.
Penicillium chrysogenum (formerly Penicillium notatum) is a cosmopolitan mould found on decaying food, damp walls, and in poorly ventilated indoor spaces. Its spores are readily aerosolised and inhaled. The genus produces multiple allergens, some shared across Penicillium species, that elicit IgE responses in atopic individuals.
Penicillium sensitisation contributes to perennial allergic rhinitis, asthma, and exacerbations in damp indoor environments. It is less strongly associated with severe asthma than Alternaria or Aspergillus but remains clinically relevant in patients with mould-rich exposures. Specific IgE confirms sensitisation and guides environmental control measures.
Reference ranges vary by laboratory and assay platform. Interpret in context of the issuing laboratory's stated range.
3 tests on BiomarkersLabs.com include this biomarker.
Penicillium chrysogenum IgE reference range in this test: <0.35 kU/L negative; 0.35–0.69 equivocal; ≥0.70 positive.
Penicillium chrysogenum IgE reference range in this test: <0.35 kU/L negative; ≥0.70 positive.
Penicillium chrysogenum IgE reference range in this test: <0.35 kU/L negative; ≥0.35 kU/L positive, class-graded.
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