Clinical Accuracy

Proven accuracy compared to invasive laboratory methods1

In comparisons of SpCO readings with invasive carboxyhemoglobin (COHb) measurements taken at the same time and analyzed by a laboratory CO-Oximeter, SpCO was validated in the range of 1-40% with an accuracy of + 3% at 1 standard deviation.1

All available SpCO studies are listed here.


  • 1 Masimo FDA Submission Data.