By Matthew Brier, MD, MPH, and JoEllen Wynne, RN, MSN, FNP-BC

Description • Excessive perspiration occurring in either specific focal locations or in generalized pattern over the body ICD-9 codes • 705.2 focal hyperhidrosis — 705.21 primary focal hyperhidrosis — 705.22 secondary focal hyperhidrosis • 780.8 generalized hyperhidrosis Types • Focal hyperhidrosis (also called “primary,”  “idiopathic,” or “essential” hyperhidrosis) — Palmar-plantar hyperhidrosis: excess sweating of palms of hands and soles of feet — Isolated…