L74.9 – Eccrine sweat disorder, unspecified
ICD-10-CM 2027 diagnosis code · Disorders of skin appendages
ICD-10-CM code
L74.9
- Code
L74.9(claims format:L749)- Description
- Eccrine sweat disorder, unspecified
- 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
Notes for L74.9
Applicable to:
- Sweat gland disorder NOS
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 L74.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in L74
- L74.0 – Miliaria rubraBillable
- L74.1 – Miliaria crystallinaBillable
- L74.2 – Miliaria profundaBillable
- L74.3 – Miliaria, unspecifiedBillable
- L74.4 – AnhidrosisBillable
- L74.5 – Focal hyperhidrosisHeader
- L74.8 – Other eccrine sweat disordersBillable
Frequently asked questions
What is ICD-10 code L74.9?
L74.9 is the ICD-10-CM code for eccrine sweat disorder, unspecified, in the block L60-L75 (Disorders of skin appendages).
Is L74.9 a billable code?
Yes. L74.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does L74.9 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.