This is an unusual but anxiety-inducing situation. Remember that an "indeterminate" Quantiferon is not an "intermediate" Quantiferon. It's not half-positive, it's uninterpretable. The result provides absolutely no reason to be more or less concerned that the patient has lTB, latent or otherwise. I...

Indeterminate Quantiferon Gold testing can result from corticosteroid exposure in the time preceding the blood draw. There is good reason to check the steroid exposure history and ensure a steroid-free period of at least a month before making a decision about tuberculosis exposure. Alternatively, a ...