Spot-Check Noninvasive Hemoglobin (SpHb) Clinical Validation

Inclusion Criteria: * Age: Greater than one month * Weight: Greater than or equal to 3kg * The subject or the subject's legally authorized representative has given written informed consent/assent to participate in the study Exclusion Criteria: * 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. * Decision-impaired adult and pediatric subjects who are unable to give consent and assent