Immunoglobulin involved in allergic responses and anti-parasitic immunity. Total IgE elevated in atopic conditions; specific IgE tests used for individual allergen sensitisation.
| Sex | Age | Range | Notes |
|---|---|---|---|
| All | ≥ 18 yrs | < 100 | Adult; highly variable. Elevated: >100 kU/L |
⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.