Omni Micro-electrode/reference electrode for cobas b221 analyzer. The Roche Diagnostics Omni S Analyzer is a fully automated critical care analyzer intended to be used for the measurement of pH, PCO2, PO2, sodium, potassium, ionized calcium, chloride, hematocrit, glucose, lactate, urea/BUN, total hemoglobin, oxygen saturation, oxyhemoglobin, deoxyhemoglobin, carboxyhemoglobin, and methemoglobin in samples of whole blood, serum, plasma, and aqueous solutions as appropriate.

The Urgent Medical Device Correction will be sent via UPS Ground (receipt required) to the consignee list. The Urgent Medical Device Correction will be sent via UPS Ground (receipt required) to the consignee list. Consignees are instructed as follows: " Check the current set of reference values on your cobas b 221 blood gas system and, if appropriate, change the reference ranges accordingly. " If you have not established your own reference ranges, please follow the instructions in the Workaround section of the UMDC or contact the Roche Support Network Customer Support Center.