Eosinophils
Immune system healthEosinophils combat parasites and participate in allergic responses.
Reference range
0.55.5
Low
High normal
High
Source: lab benchmark
Reference ranges may vary between labs and assays. Always interpret results with your healthcare provider.
Why this matters
Elevated levels, called eosinophilia, can signal the presence of allergies, asthma, eczema, or parasitic infections, and very high levels may indicate autoimmune conditions or certain blood disorders. Monitoring eosinophil levels can provide early insight into immune system activity and overall inflammatory status.
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