M79 6 is a non billable icd 10 code for pain in limb hand foot fingers and toes it should not be used for hipaa covered transactions as a more specific code is available to choose from below. The 2021 edition of icd 10 cm m79 606 became effective on october 1 2020. All Causes Of Neuropathy Neuropathy Causes Diabetic Neuropathy Diabetic Neuropathy Treatment Neuropathy Treatment This is the american icd 10 cm version of