raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:254379

Linear lichen planus

Synonyms: Blaschkoid LP · Blaschkoid lichen planus · Linear LP

Type
Disease
Group
Disorder
Age of onset
All ages
Status
active

Linear lichen planus (LLP), also referred to as Blaschkoid LP, is a rare type of lichen planus characterized by a linear distribution of lichenoid lesions along the lines of Blaschko, which are embryonic pathways of skin development.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLinear lichen planusBlaschkoid LP · Blaschkoid lichen planus · Linear LP
frLichen plan linéaireLP linéaire · Lichen plan Blaschko-linéaire
deLichen planus linearisBlaschkoider Lichen planus · LP, linearer
esLiquen plano linealLP blaschkoide · LP linear · Liquen plano blaschkoide
itLichen planus lineareLP blaschkoide · LP lineare
nlLineaire lichen planusBlaschkoïde LP · Blaschkoïde lichen planus · Lineaire LP
ptLíquen plano linearLP linear
plLiszaj płaski linijnyBlaschkoidowy liszaj płaski · LP linii Blaschko · LP linijny
csLineární lichen planusBlaschkoidní LP · Blaschkoidní lichen planus · Lineární LP
ukЛінійний плоский лишайЧервоний плоский лишай · Блашкоїдний LP · Лінійний LP
zh线型扁平苔藓Blaschkoid线扁平苔藓
trLineer liken planusDoğrusal LP · Blaşkoid LP · Blaşkoid liken planus

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10L43.8NTBTattributedvalidated
ICD-11EA91.YNTBTindexvalidated
MONDO0016769Evalidated
UMLSC0023650Evalidated
GARD11898Evalidated

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

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

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

7

Sources for this card