ICD-10-CM > M00-M99 > M70-M79 > M79 > M79.6 > M79.60 M79.60 Pain in limb, unspecified Non-Billable/Non-Specific Codes M79.601Pain in right armM79.602Pain in left armM79.603Pain in arm, unspecifiedM79.604Pain in right legM79.605Pain in left legM79.606Pain in leg, unspecifiedM79.609Pain in unspecified limb