Spot-Check Noninvasive Hemoglobin (SpHb) Repeatability and Reproducibility

Inclusion Criteria: * Age one month and older * Weight greater than or equal to 3 kg * The subject or the subject's legally authorized representative has given written informed consent/assent to participate in the study Exclusion Criteria: * Decision-impaired adult and pediatric patients who are unable to give informed consent/assent * Decision-impaired adult on behalf of a pediatric patient who is unable to assent * Subjects with skin abnormalities at the planned application sites that may interfere with sensor application, per directions-for-use (DFU) or trans-illumination of the site, such as burns, scar tissue, nail polish, acrylic nails, infections, abnormalities, etc. * Subjects deemed not suitable for the study at the discretion of the investigator * Subjects unlikely to be able to refrain from excessive motion during data collection. Excessive motion includes postural changes, making hand gestures, involuntary muscular movements, etc.