Roche Diagnostics
Instructions for Use · Version 13.0 151
cobas b 123 POC system 6 Measurement
Interferences
0.25 mg/mL
HHb
(1)
SO
2
(1)
Bili
(1)
0.5%
99.5%
4.8 mg/dL
14.2 mg/dL
1.3%
-4.3%
-0.54 mg/dL
-0.36 mg/dL
1.5%
2.0%
1.2 mg/dL
1.2 mg/dL
Cyanomethemoglobin 10% HHb
O
2
Hb
SO
2
Bili
2.1%
95.8%
97.9%
5.3 mg/dL
13.9 mg/dL
3.8%
-3.4%
-3.8%
0.33 mg/dL
0.39 mg/dL
1.5%
3.0%
2%
1.2 mg/dL
1.2 mg/dL
Sulfhemoglobin 10%
tHb
(2)
COHb
(2)
HHb
(2)
MetHb
(2)
O
2
Hb
(2)
SO
2
(2)
Bili
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
(2)
5.2 mg/dL
(2)
15.4 mg/dL
(2)
---
---
---
---
---
---
---
---
-5.29 mg/dL
---
---
---
---
---
---
---
---
1.2 mg/dL
5% Bili 15.4 mg/dL -2.10 mg/dL 1.2 mg/dL
2.5% Bili 15.4 mg/dL -1.04 mg/dL 1.2 mg/dL
Fluorescein 0.4 mg/mL
tHb
(2)
COHb
(2)
HHb
(2)
MetHb
(2)
O
2
Hb
(2)
SO
2
(2)
Bili
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
---
---
---
---
---
---
---
---
---
---
---
---
---
0.25 mg/mL
tHb
(2)
COHb
(2)
HHb
(2)
MetHb
(2)
O
2
Hb
(2)
SO
2
(2)
Bili
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
(2)
---
---
---
---
---
---
---
---
---
---
---
---
---
---
(1) Within trueness specifications
(2) No result displayed. “Spectral interference detected” message appears on the Results tab and the measurement printout.
Substance
Substance
concentration
Parameter
Parameter
concentration (MV)
Effect of the substance ± Trueness
Table 6-4 Substances with effect on tHb, SO
2
, bilirubin and Hb derivatives