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.
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
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.