raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:39

Acromelanosis

Type
Disease
Group
Disorder
Inheritance
Unknown
Age of onset
Infancy, Neonatal
Status
active

A rare pigmentation anomaly of the skin characterized by otherwise asymptomatic hyperpigmentation of the skin over the dorsal side of fingers and toes which may rapidly spread towards proximal regions, like genitals, abdomen, and thighs. It is mostly seen in newborns or during the first years of life.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAcromelanosis
frAcromélanose
deAkromelanose
esAcromelanosis
itAcromelanosi
nlAcromelanosis
ptAcromelanose
plMelanoza kończyn
csAkromelanóza
ukАкромеланоз
zh肢端黑变病
trAkromelanoz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10L81.4NTBTattributedvalidated
ICD-11ED6YNTBTattributedvalidated
MONDO0018311Evalidated
UMLSC0406779Evalidated
GARD4500Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families10 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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