ICD-10-CM 2027 diagnosis code

L74.5Focal hyperhidrosis

Not billable — use a more specific code

L74.5 is a header code, so it can't be reported by itself. Choose one of the 2 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About L74.5

L74.5 is the ICD-10-CM diagnosis code for focal hyperhidrosis. It belongs to category L74 (eccrine sweat disorders), block L60-L75 (disorders of skin appendages) and chapter 12 (diseases of the skin and subcutaneous tissue). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

Within L74 (eccrine sweat disorders), L74.5 is specifically for focal hyperhidrosis. Related codes cover miliaria rubra (L74.0), miliaria crystallina (L74.1), miliaria profunda (L74.2), miliaria, unspecified (L74.3), Anhidrosis (L74.4), other eccrine sweat disorders (L74.8) and eccrine sweat disorder, unspecified (L74.9).

To report this condition, pick the subcode that matches the documentation: L74.51 (hyperhidrosis) and L74.52 (hyperhidrosis).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under L74.5

Notes that apply from higher levels

Instructions written at a parent level also apply to L74.5.

› From L74 Eccrine sweat disorders

Excludes2

generalized hyperhidrosis (R61)

Broader instructions also apply from L60-L75 Disorders of skin appendages and Chapter 12: Diseases of the skin and subcutaneous tissue.

Codes whose notes reference L74.5

R61Excludes1
R61Excludes1

Code history

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2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about L74.5

Is L74.5 billable?: No. L74.5 is a header code. Report one of its more specific subcodes instead.