NCIthesaurus disease has location brachial plexus neuropathy NCI:C27194 ICD10CM:G54.0 SNOMEDCT_US_2025_09_01:3548001 A peripheral nervous system disease that is characterized by damage to nerves in the upper shoulder of the brachial plexus, an area where nerves from the spinal cord branch into the arm nerves. MESH:D020516 Brachial plexus disorder UMLS_CUI:C0700251 DOID:3690 disease_ontology brachial plexopathy neuropathy brachial nerve plexus