NPI Atlas

L11 – Other acantholytic disorders

ICD-10-CM 2027 diagnosis code · Bullous disorders

Non-billable header

ICD-10-CM code L11

Code: L11 (claims format: L11)
Description: Other acantholytic 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: L10-L14 Bullous disorders

Billable codes under L11

L11 is a header code and cannot be used on claims. Choose the most specific code:

L11.0 – Acquired keratosis follicularisBillable
L11.1 – Transient acantholytic dermatosis [Grover]Billable
L11.8 – Other specified acantholytic disordersBillable
L11.9 – Acantholytic disorder, unspecifiedBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block L10-L14

Excludes1 (not coded here):

benign familial pemphigus [Hailey-Hailey] (Q82.8)
staphylococcal scalded skin syndrome (L00)
toxic epidermal necrolysis [Lyell] (L51.2)

Frequently asked questions

What is ICD-10 code L11?

L11 is the ICD-10-CM code for other acantholytic disorders, in the block L10-L14 (Bullous disorders).

Is L11 a billable code?

No. L11 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.