Clinical Accuracy

Proven accuracy compared to invasive laboratory methods1

In comparisons of SpHb readings with invasive methemoglobin (MetHb) measurements taken at the same time and analyzed by a laboratory CO-Oximeter, SpMet was validated in the range of 1-15% with an accuracy of + 1% at one standard deviation.1

All available SpMet studies are listed here.


  • 1 Masimo FDA Submission Data.