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Haemophilus antibodies

Category Immunology
Test background

IgG antibody levels to Haemophilus influenzae are requested as part of an immune deficiency screen for patients with recurrent or opportunistic infections. This test is only available for patients 4 years of age.

Clinical Indications

Assessment of an antibody response to haemophilus vaccine Aiding the diagnosis of immunodeficiency (acquired, congenital or iatrogenic, ie. following administration of immunosuppressive agents) Haemophilus influenza type b post-vaccination immune status in sickle-cell, immunocompromised or other select patients in whom recurrent episodes of pneumococcal/haemophilus infection have been observed

Reference range

0.15 mg/L minimum protective level 1 mg/L optimum protective level

Sample & container required RST (rust top)
Sample volume 5-10 mL (1 mL serum)
Turnaround time 28 days

Not currently performed in house; this test is referred to the Department of Immunology, Oxford.