When a newborn’s jaundice goes undetected or untreated, the consequences can be permanent and devastating. Kernicterus — brain damage caused by extremely elevated bilirubin levels — is entirely preventable when hospital staff follow established screening and treatment protocols. If your child suffered kernicterus or its lasting effects after a bilirubin level was missed or ignored, a kernicterus malpractice lawsuit may help your family understand what went wrong and pursue accountability for the harm caused.
This article provides general legal information; consult a licensed Illinois attorney for advice specific to your situation.
What Is Jaundice, and Why Does It Become Dangerous?
Newborn jaundice — the yellow tint to a baby’s skin and eyes — is extremely common. It occurs because newborns produce bilirubin, a byproduct of the normal breakdown of red blood cells, faster than their immature livers can process and excrete it. Mild jaundice in the first few days of life is expected and typically resolves on its own. The danger arises when bilirubin accumulates to critically high levels. At those levels, bilirubin can cross the blood-brain barrier and deposit in specific areas of the brain, causing kernicterus — a form of brain damage that results in cerebral palsy, hearing loss, intellectual disability, vision problems, and difficulties with movement and coordination.
Kernicterus is not an unavoidable complication. It is a sentinel event. The Joint Commission’s Sentinel Event Alert No. 18 specifically identifies kernicterus as a reviewable sentinel event — meaning it should essentially never happen when care is properly delivered. The fact that it continues to occur in hospitals is a sign that screening and treatment protocols are being missed.
The AAP Screening Protocol Every Newborn Should Receive
The American Academy of Pediatrics Clinical Practice Guideline on hyperbilirubinemia in the newborn infant 35 weeks or more of gestation, updated in Pediatrics in 2022, sets out the standard of care that hospitals and pediatricians are expected to follow. The guideline calls for universal predischarge bilirubin screening of all newborns — either through a serum (blood) bilirubin test or a transcutaneous (skin-surface) measurement. A single visual assessment is not sufficient to rule out dangerous bilirubin levels because jaundice is not reliably visible until levels have already risen significantly.
The AAP guideline uses an hour-specific bilirubin nomogram — a chart that plots a baby’s bilirubin level against the baby’s age in hours of life. The nomogram defines risk zones (low risk, low-intermediate risk, high-intermediate risk, and high risk) and directs clinicians to the appropriate response for each zone. Phototherapy — treatment with blue-spectrum light that breaks down bilirubin in the skin — is indicated when bilirubin reaches a threshold specific to the baby’s gestational age and risk factors. Exchange transfusion, a more intensive intervention that replaces the baby’s blood to rapidly lower bilirubin, is indicated when levels are dangerously elevated or when phototherapy has failed to bring levels down adequately.
What a Missed or Delayed Diagnosis Looks Like
In kernicterus cases, medical records typically reveal one or more of the following failures: the predischarge bilirubin was not measured at all; a bilirubin level was obtained but was not plotted against the nomogram and compared to the appropriate phototherapy threshold; a high-intermediate or high-risk result was documented but the family was discharged without a follow-up plan; or a follow-up appointment was scheduled for a date that was too late given the baby’s trajectory. Some cases involve a parent calling the pediatrician’s office to report that their baby appeared deeply yellow or was unusually sleepy or difficult to feed — recognized warning signs of dangerous bilirubin levels — and not being instructed to seek emergency evaluation.
Our dedicated guide to NICU care failures covers a wider range of newborn care errors. For families whose child’s jaundice was identified but not managed appropriately in a neonatal intensive care setting, see our resource on NICU negligence and newborn care malpractice. This article focuses specifically on the failure to screen, identify, and treat hyperbilirubinemia before kernicterus develops.
Signs and Long-Term Effects of Kernicterus
Acute bilirubin encephalopathy — the early, potentially reversible phase — presents with a baby who is extremely difficult to wake, feeds poorly, has a high-pitched cry, or shows arching of the neck and back. If treatment is not initiated at this stage, the injury progresses. The chronic form, kernicterus, produces a recognizable pattern: a movement disorder resembling athetoid cerebral palsy, upward gaze palsy, sensorineural hearing loss, and dental enamel hypoplasia. Intellectual disability may or may not be present. Children with kernicterus typically require lifelong therapy, specialized education, assistive technology, and ongoing medical care.
The costs associated with raising a child with kernicterus-related disabilities are substantial and extend across a lifetime. A comprehensive legal claim accounts not only for past medical expenses but also for future care needs, assistive devices, educational costs, lost earning capacity, and the non-economic impact on the child and family.
Illinois Law Requirements for a Kernicterus Malpractice Case
To bring a medical malpractice claim in Illinois, a plaintiff must establish that the provider had a duty of care, departed from the accepted standard, and that the departure caused the child’s injury. In kernicterus cases, the standard is well-defined: the AAP guideline and the Joint Commission sentinel event alert together create a clear picture of what should have been done and when. The departure — failure to screen, failure to treat at the appropriate threshold, or failure to arrange timely follow-up — is typically documentable from the hospital’s own records.
Under 735 ILCS 5/2-622, a medical malpractice complaint in Illinois must be accompanied by an attorney’s affidavit stating that a licensed healthcare professional has reviewed the facts and concluded there is a reasonable and meritorious basis for filing the claim. A written report from that reviewing professional must be attached. This requirement applies regardless of how clear the departure from standard care may appear from the records.
Illinois also imposes a statute of limitations on medical malpractice claims. Under 735 ILCS 5/13-212, claims must generally be filed within two years of when the plaintiff knew or should have known of the injury, with an eight-year overall repose period. For minors, different rules apply — claims may be tolled until the child reaches the age of majority in certain circumstances. An attorney can advise you on which limitations period governs your child’s specific situation.
Talk to a Chicago Attorney — Free Consultation
If your child was diagnosed with kernicterus or suffered brain damage after untreated jaundice, the attorneys at Phillips Law Offices are here to help. We handle complex birth injury cases involving neonatal care failures throughout Illinois. Call (312) 346-4262 or contact us online for a free, no-obligation consultation.