L11.9 – Acantholytic disorder, unspecified

ICD-10-CM 2027 diagnosis code · Bullous disorders

Billable code

ICD-10-CM code L11.9
Code
L11.9 (claims format: L119)
Description
Acantholytic 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
L10-L14 Bullous disorders
Parent codes
L11

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)

Index terms for L11.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in L11

Frequently asked questions

What is ICD-10 code L11.9?

L11.9 is the ICD-10-CM code for acantholytic disorder, unspecified, in the block L10-L14 (Bullous disorders).

Is L11.9 a billable code?

Yes. L11.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does L11.9 belong to?

It belongs to category L11 – Other acantholytic 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.