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10. Interfering Substances depend on the concentration. The below substances up to the test concentration
will not affect the test results.
Exogenous Interference data
Exogenous
Substances
highest
Conc. tested
interference
or no
Bias @ blood
glucose Conc.
Note
Acetaminophen
8 mg/dL
Yes
14.2%@80 mg/dL
14.9%@120 mg/dL
The highest no interference concentration is 7 mg/dL
Ascorbic Acid
4 mg/dL
No
NA
Dopamine
5.2 mg/dL
Yes
31.0%@80 mg/dL
18.2%@120 mg/dL
The highest no interference concentration is 2.6
mg/dL
Gentisic Acid
6 mg/dL
No
NA
Ibuprofen
50 mg/dL
No
NA
L-Dopa
4 mg/dL
Yes
16.3%@80 mg/dL
11.4%@120 mg/dL
The highest no interference concentration is 2 mg/dL
Methyldopa
2 mg/dL
No
NA
Sodium
Salicylate
50 mg/dL
No
NA
Tetracycline
1.5 mg/dL
No
NA
Tolbutamide
100 mg/dL
No
NA
Galactose
20 mg/dL
No
NA
Maltose
20 mg/dL
No
NA
Xylose
8 mg/dL
Yes
10.1%@80 mg/dL The highest no interference concentration is 6 mg/dL
Fructose
30 mg/dL
No
NA
Manose
10 mg/dL
No
NA
Sucrose
50 mg/dL
No
NA
Xylitol
200 mg/dL
No
NA
Glipizide
8 mg/dL
No
NA