Idiopathic small fiber neuropathy icd 10 July 8, 2019 16 32 64 128 Idiopathic small fiber peripheral neuropathy icd 10 Icd 10 code for idiopathic small fiber neuropathy Small fiber peripheral neuropathy icd 10 Small fiber neuropathy icd 10 Icd 10 code for idiopathic small fiber peripheral neuropathy