Nail dysplasia obsolete autosomal recessive nail dysplasia https://github.com/monarch-initiative/mondo/issues/4776 https://github.com/monarch-initiative/mondo/issues/7693 true MONDO:0029051 OBSOLETE. Autosomal recessive nail dysplasia is a rare, isolated nail anomaly characterized by claw-shaped, thick, hyperplastic, hard and hyperpigmented nails, subungual hyperkeratosis, onycholysis and slow nail growth. Variable degree of disease severity has been reported. [Orphanet:280654] Orphanet:280654 ICD10CM:Q84.6