Assess ability of Masimo SpHb sensor to demonstrate robust performance on various sensor application sites on neonates/infants

Inclusion Criteria:

• Male or female newborn infants of any gestational age requiring at least one (1) blood draw as part of their routine care.
• Ages: Newborn infants less than 16 weeks postnatal age.
• Weight: Range from 500 g to 10 kg.
• Able to obtain written informed consent from parents or legal guardians

Exclusion Criteria:

• Neonatal patients with abnormalities at the planned application sites that would interfere with transilluminating the foot or hand like unusual deformities of limbs, absence of feet, severe edema, localized infections, and other.