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Start free with EleplanChronic bilirubin encephalopathy
ORPHA:529808Clinical syndrome
Also called BIND · Bilirubin-induced neurological dysfunction · CBE · KSD · Kernicterus spectrum disorder
What it is
A rare neurologic disease characterized by the chronic consequences of bilirubin toxicity in the globus pallidus, sub-thalamic nuclei, and other brain regions, after exposure to high levels of unconjugated bilirubin in the neonatal period. Symptoms begin after the acute phase of bilirubin encephalopathy in the first year of life, evolve slowly over several years, and include mild to severe extrapyramidal disturbances (especially dystonia and athetosis), auditory neuropathy spectrum disorder, and oculomotor and dental abnormalities.
Key facts
- Prevalence
- 1-9 / 100 000 (at birth, Denmark)
- Age of onset
- Infancy, Neonatal
- Inheritance
- Not applicable
- Classified as
- Clinical syndrome
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Signs and symptoms
Very common80–99%
4Common30–79%
14These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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