L60.4 – Beau's lines
ICD-10-CM 2027 diagnosis code · Disorders of skin appendages
ICD-10-CM code
L60.4
- Code
L60.4(claims format:L604)- Description
- Beau's lines
- 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
- L60
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
L60 – Nail disorders
Block L60-L75
Excludes1 (not coded here):
- congenital malformations of integument (Q84.-)
Index terms for L60.4
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in L60
- L60.0 – Ingrowing nailBillable
- L60.1 – OnycholysisBillable
- L60.2 – OnychogryphosisBillable
- L60.3 – Nail dystrophyBillable
- L60.5 – Yellow nail syndromeBillable
- L60.8 – Other nail disordersBillable
- L60.9 – Nail disorder, unspecifiedBillable
Frequently asked questions
What is ICD-10 code L60.4?
L60.4 is the ICD-10-CM code for beau's lines, in the block L60-L75 (Disorders of skin appendages).
Is L60.4 a billable code?
Yes. L60.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does L60.4 belong to?
It belongs to category L60 – Nail 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.