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Case Definitions for Conditions Identified by Newborn Screening Public Health Surveillance
Marci K Sontag1,2, Deboshree Sarkar3, Anne M Comeau4
1Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.
Insights
Newborn screening (NBS) now has standardized case definitions to improve tracking of rare infant conditions. This ensures consistent identification and follow-up for affected newborns nationwide.
Area of Science:
- Public Health
- Genetics
- Pediatrics
Background:
- Newborn screening (NBS) is crucial for early detection of rare infant disorders, preventing severe health outcomes.
- Standardized screening panels exist, but diagnostic variations hinder accurate disease burden tracking.
- Varied interpretations of clinical phenotypes complicate consistent diagnosis and follow-up.
Purpose of the Study:
- To develop consensus public health surveillance case definitions for newborn screened disorders.
- To standardize the categorization and tracking of infants identified through NBS programs.
- To address diagnostic variations and improve the accuracy of disease burden and prevalence data.
Main Methods:
- Convening panels of clinical experts to develop core case definitions.
- An iterative process for refining definitions based on expert consensus.
- Piloting the developed definitions within NBS programs.
Main Results:
- A core group of new case definitions for newborn screened disorders has been developed.
- These definitions aim to reduce diagnostic variation among clinical specialists.
- The definitions are being piloted for use in NBS programs.
Conclusions:
- Consensus case definitions will enable consistent categorization and tracking of screened newborns.
- Standardized definitions will improve the accuracy of public health surveillance for NBS disorders.
- This initiative supports better local, regional, and national monitoring of infant health outcomes.
Abstract:
Newborn screening (NBS) identifies infants with rare conditions to prevent death or the onset of irreversible morbidities. Conditions on the Health and Human Services Secretary's Recommended Uniform Screening Panel have been adopted by most state NBS programs, providing a consistent approach for identification of affected newborns across the United States. Screen-positive newborns are identified and referred for confirmatory diagnosis and follow-up. The designation of a clinically significant phenotype precursor to a clinical diagnosis may vary between clinical specialists, resulting in diagnostic variation. Determination of disease burden and birth prevalence of the screened conditions by public health tracking is made challenging by these variations. This report describes the development of a core group of new case definitions, along with implications, plans for their use, and links to the definitions that were developed by panels of clinical experts. These definitions have been developed through an iterative process and are piloted in NBS programs. Consensus public health surveillance case definitions for newborn screened disorders will allow for consistent categorization and tracking of short- and long-term follow-up of identified newborns at the local, regional, and national levels.
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