Monarch Disease Ontology identifier MONDO_0018213 (hereditary sensory and autonomic neuropathy type 1) can be described as follows. Hereditary sensory neuropathy type I (HSN I) is a slowly progressive neurological disorder characterized by prominent predominantly distal sensory loss, autonomic disturbances, autosomal dominant inheritance, and juvenile or adulthood disease onset. Also known as: HSAN1, Hereditary Sensory Neuropathy Type I, hereditary sensory and autonomic neuropathy type I.