Assuming TB questionnaire negative, if 0.35-1.1 we retest as soon as we can and if >= 0.70 we get CXR and consider positive, = LTBI if CXR negative but if <0.70 on retest we consider as if negative.  This is for annual surveillance only not exposures where we use 0.35 cut off.

 

 

 

If you are using the  Quaniferon Gold test, would you mind sharing your reference ranges?  If you have set up a borderline or indeterminate reference range, can you tell me how individuals who test in this range  are managed, e.g. repeat testing in two months.

 

 

Yvonne Noel, RN, COHN-S, CIC Manager Occupational Health & Wellness O: 214.456.8983 F: 214.456.2665 E: mary.noel@childrens.com

 

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