Ham’s Test
PNH =
Tube 1 =
return
1
2
3
4
5
6
Normal serum
Normal serum
Normal serum
Normal serum
0.2N HCl
Pt’s RBCs
Pt’s RBCs
Pt’s RBCs
Pt’s RBCs
fresh serum
0.2N HCl
heated serum
0.2N HCl
normal RBCs
normal RBCs
0.2N HCl
Tube 2 =
Tube 3 =
Tube 4 =
Tube 5 =
Tube 6 =
3+
trace
1+
neg
neg
neg