Roche cobas b 123 - Page 150

Roche Diagnostics
150 Instructions for Use · Version 13.0
6 Measurement cobas b 123 POC system
Interferences
Substance
Substance
concentration
Parameter
Parameter
concentration (MV)
Effect of the substance ± Trueness
Methylene blue 40.00 mg/L tHb
O
2
Hb
MetHb
Bili
13.7 g/dL
97%
0.5%
4.1 mg/dL
13.4 mg/dL
-1.1 g/dL
-3.3%
4.50%
-2.94 mg/dL
-3.80 mg/dL
0.5 g/dL
3%
1%
1.2 mg/dL
1.2 mg/dL
20.00 mg/L
tHb
(1)
O
2
Hb
(1)
MetHb
Bili
13.7 g/dL
97%
0.5%
4.1 mg/dL
13.4 mg/dL
-0.5 g/dL
-3%
3.6%
-1.10 mg/dL
(1)
-1.43 mg/dL
0.5 g/dL
3%
1%
1.2 mg/dL
1.2 mg/dL
10.00 mg/L MetHb
Bili
(1)
0.5%
4.1 mg/dL
13.4 mg/dL
2.3%
-0.55 mg/dL
-0.73 mg/dL
1%
1.2 mg/dL
1.2 mg/dL
5 mg /L MetHb
Bili
0.5%
4.1 mg/dL
13.4 mg/dL
1.5%
-0.19 mg/dL
-0.28 mg/dL
1%
1.2 mg/dL
1.2 mg/dL
2.5 mg/L
MetHb
(1)
0.5 1.0% 1%
Evans blue 10 mg/L MetHb
Bili
0.5%
5.2 mg/dL
13.3 mg/dL
1.3%
1.12 mg/dL
1.17 mg/dL
1%
1.2 mg/dL
1.2 mg/dL
5 mg/L
MetHb
(1)
0.5% 0.6% 1%
Patent blue 10 mg/L MetHb
Bili
0.5%
4.9 mg/dL
13.7 mg/dL
3.2%
5.1 mg/dL
5.6 mg/dL
1%
1.2 mg/dL
1.2 mg/dL
5 mg/L MetHb
Bili
0.5%
4.9 mg/dL
13.7 mg/dL
1.6%
2.52 mg/dL
2.94 mg/dL
1%
1.2 mg/dL
1.2 mg/dL
2.5 mg/L
MetHb
(1)
Bili
(1)
0.5%
4.9 mg/dL
13.7 mg/dL
0.8%
1.25 mg/dL
1.40 mg/dL
1%
1.2 mg/dL
1.2 mg/dL
Hydroxocobalamin 0.9 mg/mL tHb
HHb
O
2
Hb
SO
2
Bili
13.6 g/dL
0.5%
97.7%
99.5%
4.8 mg/dL
14.2 mg/dL
0.6 g/dL
4.2%
-4.1%
-4.3%
-1.65 mg/dL
-1.39 mg/dL
0.5 g/dL
1.5%
3.0%
2%
1.2 mg/dL
1.2 mg/dL
0.5 mg/mL
tHb
(1)
HHb
O
2
Hb
(1)
SO
2
Bili
13.6 g/dL
0.5%
97.7%
99.5%
4.8 mg/dL
14.2 mg/dL
0.4 g/dL
2.5%
-2.4%
-2.5%
-0.96 mg/dL
-0.72 mg/dL
0.5 g/dL
1.5%
3.0%
2%
1.2 mg/dL
1.2 mg/dL
Table 6-4 Substances with effect on tHb, SO
2
, bilirubin and Hb derivatives