raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99942

Autosomal dominant Charcot-Marie-Tooth disease type 2I

Synonyms: CMT2I

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adult
Status
active

A form of axonal Charcot-Marie-Tooth disease, a peripheral sensorimotor neuropathy, characterized by a late onset with severe sensory loss (paresthesia and hypoesthesia) associated with distal weakness, mainly of the legs, and absent or reduced deep tendon reflexes.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAutosomal dominant Charcot-Marie-Tooth disease type 2ICMT2I
frMaladie de Charcot-Marie-Tooth autosomique dominante type 2I= en
deCharcot-Marie-Tooth-Krankheit, autosomal-dominante, Typ 2I= en
esEnfermedad de Charcot-Marie-Tooth autosómica dominante tipo 2I
itMalattia di Charcot-Marie-Tooth autosomica dominante, tipo 2I= en
nlAutosomaal dominante ziekte van Charcot-Marie-Tooth type 2I= en
ptDoença de Charcot-Marie-Tooth autossómica dominante tipo 2I
plAutosomalna dominująca choroba Charcota, Mariego i Tootha typu 2I= en
csAutozomálně dominantní Charcotova-Marieova-Toothova nemoc, typ 2ICMT2I · Autozomálně dominantní Charcot-Marie-Toothova nemoc, typ 2I
ukАутосомно-домінантна хвороба Шарко-Марі-Тута, тип 2I= en
zh常染色体显性遗传腓骨肌萎缩症2I型= en
trOtozomal dominant Charcot-Marie-Tooth hastalığı tip 2I= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM607677Evalidated
ICD-10G60.0NTBTattributedvalidated
ICD-118C20.1NTBTindexvalidated
MONDO0011889Evalidated
MeSHC535416Evalidated
UMLSC3888087Evalidated

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 (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
MPZDisease-causing germline mutation(s) inAssessedHGNC:7225ENSG000001588871594401q23.3myelin protein zero20301462[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families5 casesWorldwideCase(s)Validated14638973[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated14638973[PMID]_ORPHANET

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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card