L74 – Eccrine sweat disorders
ICD-10-CM 2027 diagnosis code · Disorders of skin appendages
ICD-10-CM code
L74
- Code
L74(claims format:L74)- Description
- Eccrine sweat disorders
- Billable
- No – use a more specific code below
- 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
Billable codes under L74
L74 is a header code and cannot be used on claims. Choose the most specific code:
- L74.0 – Miliaria rubraBillable
- L74.1 – Miliaria crystallinaBillable
- L74.2 – Miliaria profundaBillable
- L74.3 – Miliaria, unspecifiedBillable
- L74.4 – AnhidrosisBillable
- L74.5 – Focal hyperhidrosisHeader (more codes below)
- L74.8 – Other eccrine sweat disordersBillable
- L74.9 – Eccrine sweat disorder, unspecifiedBillable
Notes for L74
Excludes2 (not included here):
- generalized hyperhidrosis (R61)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block L60-L75
Excludes1 (not coded here):
- congenital malformations of integument (Q84.-)
Frequently asked questions
What is ICD-10 code L74?
L74 is the ICD-10-CM code for eccrine sweat disorders, in the block L60-L75 (Disorders of skin appendages).
Is L74 a billable code?
No. L74 is a header code with more specific child codes; report one of the billable codes listed above.
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.