21-Hydroxylase Antibody - ELISA
Enzyme Immuno Assay
for the quantitative determination of
autoantibodies against 21-Hydroxylase in serum
single break apart
2 x 50 µl serum
1 negative control, 4 standards, 2 positive controls
incubation over night
Addison's disease, isolated or
part of the autoimmune polyglandular syndromes (APS) type I or type II
Negative < 0.4 U/mL; Positive ≥ 0.4 U/mL
Sera from 928 healthy blood donors were tested in the 21-OH Ab ELISA kit. 922 (99.4%) sera were identified as being negative for 21-OH Ab.
Sera from 100 patients diagnosed with autoimmune Addison's disease were tested in the 21-OH Ab ELISA kit. 86 (86%) were identified as being positive for 21-OH Ab.