• J Fam Pract · Nov 2022

    How accurate is transcutaneous bilirubin testing in newborns with darker skin tones?

    • Brandi Boden, Brittany Buescher, Amanda Kim, Jon O Neher, and Sarah Safranek.
    • Valley Family Medicine Residency, University of Washington, Renton.
    • J Fam Pract. 2022 Nov 1; 71 (9): E3E5E3-E5.

    AbstractFairly accurate. Photometric transcutaneous bilirubin (TcB) testing may overestimate total serum bilirubin (TSB) in neonates with darker skin tones by a mean of 0.68 to > 2 mg/dL (strength of recommendation [SOR]: C, diagnostic cohort studies with differing reference standards).Overall, TcB meters retain accept able accuracy in infants of all skin tones across a range of bilirubin levels, despite being more likely to underestimate lighter skin tones and overestimate darker ones (SOR: C, diagnostic cohort studies with differing reference standards). It is unclear if the higher readings prompt an increase in blood draws or otherwise alter care.

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