ICD-10-CM > L00-L99 > L60-L75 > L74 > L74.5 > L74.51 L74.51 Primary focal hyperhidrosis Non-Billable/Non-Specific Codes L74.510Primary focal hyperhidrosis, axillaL74.511Primary focal hyperhidrosis, faceL74.512Primary focal hyperhidrosis, palmsL74.513Primary focal hyperhidrosis, solesL74.519Primary focal hyperhidrosis, unspecified