L66.8 – Other cicatricial alopecia
ICD-10-CM 2027 diagnosis code · Disorders of skin appendages
ICD-10-CM code
L66.8
- Code
L66.8(claims format:L668)- Description
- Other cicatricial alopecia
- 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
- Parent codes
- L66
Billable codes under L66.8
L66.8 is a header code and cannot be used on claims. Choose the most specific code:
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.-)
Related codes in L66
Frequently asked questions
What is ICD-10 code L66.8?
L66.8 is the ICD-10-CM code for other cicatricial alopecia, in the block L60-L75 (Disorders of skin appendages).
Is L66.8 a billable code?
No. L66.8 is a header code with more specific child codes; report one of the billable codes listed above.
What category does L66.8 belong to?
It belongs to category L66 – Cicatricial alopecia [scarring hair loss].
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.