Illinois Added GAMT Deficiency to Newborn Screenings
Newborns in Illinois are now tested for this rare genetic condition to support early intervention and better health outcomes.
Updated on Sept. 22, 2026 in Babies

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In March 2026, Illinois began mandatory screening for GAMT deficiency as part of the state's long-standing public health initiative. This addition ensures that infants affected by the genetic disorder can be identified early, with support available for those who need metabolic formula.
Why it matters
Early diagnosis is essential for this condition because timely treatment significantly improves developmental outcomes for affected children. The move follows a 2023 federal recommendation to include the condition in state newborn testing panels.
Illinois now includes GAMT deficiency in its mandatory newborn screening program, which currently tests for 68 distinct conditions. Since the program's expansion in March 2026, state surveillance has identified one positive case of the disorder.
The players
Illinois Department of Public Health
The state agency responsible for overseeing public health programs and managing the mandatory newborn screening panel.
Celia Robinson
An advocate for GAMT deficiency awareness who was diagnosed with the condition in 2009 and will attend college next fall.
The details
Screening for GAMT deficiency involves testing newborns shortly after birth to detect the genetic condition, which impairs the body's ability to produce necessary metabolites. Early detection allows for immediate intervention, such as specialized metabolic formulas, which are provided at no cost to newborns without insurance. This programmatic update follows a 15-year advocacy effort by the Robinson family to ensure infants receive prompt care.
Timeline
The Illinois newborn screening program launched in 1965.
Benny and Celia Robinson were diagnosed with GAMT deficiency in 2009.
The federal government recommended screening for GAMT deficiency in 2023.
Illinois officially approved adding GAMT to the screening program in 2024.
Mandatory newborn screenings for GAMT deficiency began in Illinois in March 2026.
Health Landscape
The addition of GAMT deficiency to the Illinois panel reflects an ongoing effort to align state programs with the federal Recommended Uniform Screening Panel. This expansion grows the state's capacity to 68 conditions, continuing a public health arc that has evolved since 1965.
Families with newborns in Illinois should consult their pediatrician to confirm that routine metabolic testing includes the full state-mandated panel. If you have concerns about genetic conditions in your family history, this is an important topic to discuss with your healthcare provider.
The takeaway
Early screening for rare genetic disorders allows for immediate nutritional and medical intervention during critical developmental windows. Parents should ensure they have received the results of their newborn's state-mandated screening tests from their hospital or primary care physician.
Further reading
For more on the current testing guidelines and standards in the state, visit the Illinois Babies section.
Source note: This article includes information reported by NBC Chicago.
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