Preferred Label : Lumbosacral dermal melanocytosis;
ICD-11 definition : One or more areas of poorly circumscribed slate-brown or blue-black macular pigmentation
of the lumbosacral area. The ectopic melanocytes are thought to result from incomplete
migration of melanocytes from the neural crest to the epidermis during embryogenesis.
The incidence ranges from 90% in babies of oriental ethnicity to less than 2% in babies
of European ancestry. The pigmentation tends to fade with age.;
ICD-11 synonym : Blue spot; Mongolian spot;
Origin ID : 2059517627;
Automatic exact mappings (from CISMeF team)
One or more areas of poorly circumscribed slate-brown or blue-black macular pigmentation
of the lumbosacral area. The ectopic melanocytes are thought to result from incomplete
migration of melanocytes from the neural crest to the epidermis during embryogenesis.
The incidence ranges from 90% in babies of oriental ethnicity to less than 2% in babies
of European ancestry. The pigmentation tends to fade with age.
