I used strips bought online and they seemed to run high. SOMETIMES. I would say use the strips but if the reading seems high, retest with another strip, or another meter.
Much has to do with how they are handled. I have heard complaints of shippers leaving them on porches for delivery ...
Linda
Jun 8 A1c 5.9
Jul 09 ... C-pep 1.3, GAD-65 > 30
Mar 10 C-pep 2.8 (20 g carb); GAD 3.2
dx 02/09 in DKA
Levemir 6U per day
MetforminXR 1000 mg BID
Simvastatin 80 mg
Ramipril 5 mg
T4 125 mcg
Flax oil plus DHA/EPA
Vitamin D3, 4000 IU
Eating 30 - 45 g carb per day
Interval training on recumbent cycle
... one third of all Australians with type 1 diabetes reported being initially misdiagnosed as having the more common type 2 diabetes.