Hi Debbie,

There has been much literature about Apisol having a higher than normal false positives. It is spelled out in the CDC skin testing video. There is also a lot of information if you google False positive Apisol results.

I would confirm these tests with an IGRA—Either Quatiferon Gold or T-Spot which ever is used by your facilities.

Darlene

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Darlene Morse, MSN, RN, M.Ed., CIC
Public Health Nurse Program Manager
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