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Jones, J.T., Jones, M., Jones, B., Sulaiman, K., Plate, C. and Lewis, D. (2015) Detection of Codeine, Morphine, 6-Monoacetylmorphine, and Meconin in Human Umbilical Cord Tissue: Method Validation and Evidence of in Utero Heroin Exposure. Therapeutic Drug Monitoring, 37, 45-52.
https://doi.org/10.1097/FTD.0000000000000104

has been cited by the following article:

• TITLE: Neonatal Cord Tox Panel and Maternal Perinatal Fentanyl Exposure: A Retrospective Chart Review

  AUTHORS: Joseph Jones, Donna Coy, Ryan Mitacek, Stephanie Thompson, Stefan Maxwell

  KEYWORDS: Fentanyl, Norfentanyl, Umbilical Cord, Prenatal Fentanyl Exposure

  JOURNAL NAME: American Journal of Analytical Chemistry, Vol.12 No.9, September 26, 2021

  ABSTRACT: Objective: The specific aim of this study was to determine if the currently available cutoff for fentanyl in umbilical cord (UC) was appropriate to distinguish illicit fentanyl exposure from therapeutic in-hospital administration of fentanyl. Study Design: Medical record review was conducted for perinatal administration of fentanyl and the detection of fentanyl in the corresponding routine UC toxicology. Specimens were initially tested with immunoassay followed by mass spectrometry (n = 62). Result: Excluding a single specimen that was confirmed positive, specimens were below the assays’ limit of quantification. The immunoassay’s mean b/b0 for the cases that received and did not receive fentanyl prior to delivery was 91.3% ± 10.6% and 98.2% ± 6.5%, respectively (p = 0.003). Conclusion: We demonstrated that UC is a suitable specimen type for the detection of fentanyl and that the cutoff selected adequately identifies illicit fentanyl use while not flagging cases where fentanyl was administered by the hospital prior to birth.