NPI Atlas

L74.510 – Primary focal hyperhidrosis, axilla

ICD-10-CM 2027 diagnosis code · Disorders of skin appendages

Billable code

ICD-10-CM code L74.510

Code: L74.510 (claims format: L74510)
Description: Primary focal hyperhidrosis, axilla
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block: L60-L75 Disorders of skin appendages
Parent codes: L74 › L74.5 › L74.51

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

L74 – Eccrine sweat disorders

Excludes2 (not included here):

generalized hyperhidrosis (R61)

Block L60-L75

Excludes1 (not coded here):

congenital malformations of integument (Q84.-)

Index terms for L74.510

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in L74.51

L74.511 – Primary focal hyperhidrosis, faceBillable
L74.512 – Primary focal hyperhidrosis, palmsBillable
L74.513 – Primary focal hyperhidrosis, solesBillable
L74.519 – Primary focal hyperhidrosis, unspecifiedBillable

Frequently asked questions

What is ICD-10 code L74.510?

L74.510 is the ICD-10-CM code for primary focal hyperhidrosis, axilla, in the block L60-L75 (Disorders of skin appendages).

Is L74.510 a billable code?

Yes. L74.510 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does L74.510 belong to?

It belongs to category L74 – Eccrine sweat disorders.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.