L74.52 – Secondary focal hyperhidrosis
ICD-10-CM 2027 diagnosis code · Disorders of skin appendages
ICD-10-CM code
L74.52
- Code
L74.52(claims format:L7452)- Description
- Secondary focal hyperhidrosis
- 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
Notes for L74.52
Applicable to:
- Frey's syndrome
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 L74.52
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in L74.5
Frequently asked questions
What is ICD-10 code L74.52?
L74.52 is the ICD-10-CM code for secondary focal hyperhidrosis, in the block L60-L75 (Disorders of skin appendages).
Is L74.52 a billable code?
Yes. L74.52 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does L74.52 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.