Fetal carbamazepine syndrome

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Fetal carbamazepine syndrome

ORPHA:370076Malformation syndrome

What it is

Fetal carbamazepine syndrome is a drug-related embryofetopathy that can occur when an embryo/fetus is exposed to carbamazepine and that is characterized by facial dysmorphism, with some similarities to that seen in fetal valproate syndrome, such as epicanthal folds, upward slanting palpebral fissures, short nose, micrognathia and malar hypoplasia, as well as nail dysplasia and major anomalies including cleft lip/palate, neural tube defects and cardiac anomalies. In utero exposure to carbamazepine, in combination with valproate, has been associated with significant developmental delay (particularly affecting verbal intelligence) and a high rate of congenital anomalies.

Key facts

Age of onset
Antenatal, Infancy, Neonatal
Inheritance
Not applicable
Classified as
Malformation syndrome

ICD-10 codes

Q86.8filed under a broader ICD-10 category — shared with 16 other rare diseases

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

MONDO 0018263UMLS C0432370

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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