Re: Whole blood and plasma meter readings Home › Forums › Living with type one › Whole blood and plasma meter readings › Re: Whole blood and plasma meter readings 7 February, 2011 at 7:58 pm #12169 AnonymousInactive Right got that, thanks. The manual suggests that it is whole blood. but read the info sheet that comes with the strips as per your instructions, confirming that indeed the measure plasma. What next? When using the aviva you would knock of 12.5% off each reading?