raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2044

Floating-Harbor syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

A multiple congenital anomalies/dysmorphic syndrome-intellectual disability that is characterized by facial dysmorphism, short stature with delayed bone age, and expressive language delay.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFloating-Harbor syndrome
frSyndrome de Floating-Harbor
deFloating-Harbor-Syndrom
esSíndrome de Floating-Harbor
itSindrome di Floating-Harbor
nlFloating-Harbor-syndroomSyndroom van Leisti-Hollister-Rimoin
ptSíndrome Floating-HarborSíndrome Leisti-Hollister-Rimoin
plZespół Floating i Harbour
csSyndrom Floating Harbor
ukСиндром Флоутинг-Харбора
zhFloating-Harbor综合征
trFloating-Harbor sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM136140Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD2F.1YNTBTindexvalidated
MONDO0007621Evalidated
MeSHC537062Evalidated
UMLSC0729582Evalidated
GARD6455Evalidated
MedDRA10079943Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SRCAPDisease-causing germline mutation(s) inAssessedHGNC:16974ENSG0000008060361142116p11.2Snf2 related CREBBP activator protein22965468[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_30425916[PMID]

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

79 annotations · validated 2021-04-16
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0004322Short stature
HP:0001518Small for gestational age
HP:0011098Speech apraxia
Frequent (79-30%)
HP:0002750Delayed skeletal maturation
HP:0000750Delayed speech and language development
HP:0001510Growth delay
HP:0001256Intellectual disability, mild
HP:0002342Intellectual disability, moderate
HP:0000914Shield chest
HP:0000470Short neck
HP:0000486Strabismus
HP:0000325Triangular face
HP:0000154Wide mouth
Occasional (29-5%)
HP:000087811 pairs of ribs
HP:0025160Abnormal temper tantrums
HP:0001620Abnormally high-pitched voice
HP:0001344Absent speech
HP:0000718Aggressive behavior
HP:0000739Anxiety
HP:0007018Attention deficit hyperactivity disorder
HP:0005743Avascular necrosis of the capital femoral epiphysis
HP:0001156Brachydactyly
HP:0011300Broad fingertip
HP:0000455Broad nasal tip
HP:0002136Broad-based gait
HP:0000670Carious teeth
HP:0030084Clinodactyly
HP:0000722Compulsive behaviors
HP:0000405Conductive hearing impairment
HP:0010957Congenital posterior urethral valve
HP:0002019Constipation
HP:0000028Cryptorchidism
HP:0000490Deeply set eye
HP:0010946Dilatation of the renal pelvis
HP:0003083Dislocated radial head
HP:0001260Dysarthria
HP:0003037Enlarged joints
HP:0030424Epididymal cyst
HP:0002020Gastroesophageal reflux
HP:0001385Hip dysplasia
HP:0003879Humeral pseudarthrosis
HP:0000126Hydronephrosis
HP:0000540Hypermetropia
HP:0001611Hypernasal speech
HP:0000327Hypoplasia of the maxilla
HP:0000047Hypospadias
HP:0100710Impulsivity
HP:0002751Kyphoscoliosis
HP:0003189Long nose
HP:0009765Low hanging columella
HP:0000369Low-set ears
HP:0000691Microdontia
HP:0000446Narrow nasal bridge
HP:0040288Nasogastric tube feeding
HP:0000121Nephrocalcinosis
HP:0000677Oligodontia
HP:0006335Persistence of primary teeth
HP:0000826Precocious puberty
HP:0000104Renal agenesis
HP:0000107Renal cyst
HP:0000711Restlessness
HP:0001250Seizure
HP:0000736Short attention span
HP:0000894Short clavicles
HP:0010049Short metacarpal
HP:0000322Short philtrum
HP:0009778Short thumb
HP:0012871Varicocele
Very rare (<4-1%)
HP:0000593Abnormal anterior chamber morphology
HP:0001631Atrial septal defect
HP:0002608Celiac disease
HP:0001680Coarctation of aorta
HP:0008554Cochlear malformation
HP:0012538Gluten intolerance
HP:0011599Mesocardia
HP:0005301Persistent left superior vena cava
HP:0000113Polycystic kidney dysplasia
HP:0003774Stage 5 chronic kidney disease
HP:0001636Tetralogy of Fallot

Run the differential on the 3 obligate / very frequent terms

Annotation source: 31715605[PMID]_23193612[PMID]

7

Sources for this card