acquired peripheral neuropathy neuralgic amyotrophy https://github.com/monarch-initiative/mondo/issues/9097 UMLS:C1510479 NORD:1560 mononeuritis multiplex with brachial predilection immune brachial plexus neuropathy brachial plexus neuritis Orphanet:2901 acute brachial plexus neuritis Parsonage Turner Syndrome GARD:0004228 icd11.foundation:302246011 Neuralgic amyotrophy (NA) is an uncommon disorder of the peripheral nervous system characterized by the sudden onset of extreme pain in the upper extremity followed by rapid multifocal motor weakness and atrophy and a slow recovery in months to years. NA includes both an idiopathic (INA, also known as Parsonage-Turner syndrome) and hereditary (HNA) form. ICD10CM:G54.5 neuralgic shoulder amyotrophy MEDGEN:307145 MedDRA:10063020 MONDO:0017362