Leukonychia totalis	Multiple system malformation syndrome	Trichilemmal cyst
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Leukonychia totalis, trichilemmal cysts, ciliary dystrophy syndrome (disorder)
	FLOTCH syndrome
	Leukonychia totalis, trichilemmal cysts, ciliary dystrophy syndrome
	FLOTCH syndrome is a rare, genetic, cutaneous disorder characterized by leukonychia and multiple, recurrent pilar cysts, associated or not with ciliar dystrophy and/or koilonychia. Renal calculi have also been reported.

Id	774065001
Status	Primitive

Associated morphology	Morphologically abnormal structure
Finding site	Nail unit structure
Occurrence	Congenital
Pathological process	Pathological developmental process

Associated morphology	Trichilemmal cyst
Occurrence	Congenital

Interprets

SNOMED CT to Orphanet simple map

RIVM authorized national diagnosis thesaurus to ICD10 complex mapping reference set

Target	L60.8
Term	Overige gespecificeerde nagelaandoeningen

SNOMED CT to ICD-10 extended map

Target	L60.8
Rule	TRUE
Advice	ALWAYS L60.8 \| POSSIBLE REQUIREMENT FOR ADDITIONAL CODE TO FULLY DESCRIBE DISEASE OR CONDITION
Correlation	SNOMED CT source code to target map code correlation not specified