Direct-to-definitive urine drug screening in children unmasks false-negative immunoassay screening.

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Bibliographic Details
Title: Direct-to-definitive urine drug screening in children unmasks false-negative immunoassay screening.
Authors: Lin Y; Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA., El-Khoury JM; Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT, USA., Garg UC; Department of Pathology and Laboratory Medicine, Children's Mercy Hospital, Kansas City, MO, USA., Jones PM; Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA., Lo SF; Department of Pathology and Laboratory Medicine, Medical College of Wisconsin, Children's Wisconsin, Milwaukee, WI, USA., Patel K; Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA., Roper SM; Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO, USA., Dietzen DJ; Department of Pathology and Laboratory Medicine, Phoenix Children's Hospital, Phoenix, AZ, USA. Electronic address: ddietzen@phoenixchildrens.com.
Source: Clinica chimica acta; international journal of clinical chemistry [Clin Chim Acta] 2026 Jun 01; Vol. 591, pp. 121136. Date of Electronic Publication: 2026 Jun 01.
Publication Type: Journal Article
Journal Info: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 1302422 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-3492 (Electronic) Linking ISSN: 00098981 NLM ISO Abbreviation: Clin Chim Acta Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1873-3492
DOI:10.1016/j.cca.2026.121136