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Nitroblue tetrazolium test
 
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Nitroblue tetrazolium test

Alternative names:

NBT test

Normal values:

Normally, the sample turns blue when NBT is added, indicating that the neutrophils are producing the chemical necessary to kill bacteria.

What abnormal results mean:

If the sample does not change color when NBT is added, the neutrophils are missing the chemical necessary to kill bacteria. This may indicate CGD.


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