raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1919

Phenobarbital embryopathy

Type
Malformation syndrome
Group
Disorder
Inheritance
Not applicable
Age of onset
Antenatal, Neonatal
Status
active

A teratologic disorder associated with intrauterine exposure of phenobarbital during the first trimester of pregnancy. Infants are usually asymptomatic but an increased risk of intellectual disability, tetralogy of Fallot, unilateral cleft lip, hypoplasia of the mitral valve and some other mild abnormalities such as hypertelorism, epicanthus, hypoplasia and low insertion of the nose, low insertion of the ears, prognathism, finger hypoplasia, brachydactyly and hypospadias have been reported in rare cases.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPhenobarbital embryopathy
frEmbryopathie au phénobarbitalExposition anténatale au phénobarbital
dePhenobarbital-EmbryopathieAntiepileptika-Embryofetopathie · Phenobarbital-Exposition, vorgeburtliche
esEmbriopatía por fenobarbitalExposición fetal a fenobarbital
itEmbriopatia da fenobarbitalEsposizione prenatale al fenobarbital
nlFenobarbital-embryopathiePrenatale blootstelling aan fenobarbital
ptEmbriofetopatia por fenobarbitalSíndrome fenobarbital fetal
plEmbriopatia fenobarbitolowaPrenatalne zatrucie fenobarbitalem
csFenobarbitalová embryopatie
ukФенобарбіталова ембріопатія
zh苯巴比妥胚胎病
trFenobarbital embriyopati

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q86.8NTBTattributedvalidated
ICD-11LD2F.0YNTBTindexvalidated
MONDO0016015Evalidated
UMLSC4275281Evalidated
GARD4315Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

16 annotations · validated 2019-06-17
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0012808Abnormal nasal base
HP:0008386Aplasia/Hypoplasia of the nails
HP:0001156Brachydactyly
HP:0000286Epicanthus
HP:0001263Global developmental delay
HP:0000316Hypertelorism
HP:0001249Intellectual disability
HP:0000369Low-set ears
HP:0000303Mandibular prognathia
HP:0100333Unilateral cleft lip
Occasional (29-5%)
HP:0001633Abnormal mitral valve morphology
HP:0006265Aplasia/Hypoplasia of fingers
HP:0000047Hypospadias
HP:0000272Malar flattening
HP:0000252Microcephaly
HP:0001636Tetralogy of Fallot

Annotation source: 11297704[PMID]_7474220[PMID]_4886955[PMID]_2107397[PMID]

7

Sources for this card