L11.9Billable

Acantholytic disorder, unspecified

Chapter
12. Diseases of the skin and subcutaneous tissue
Category
L11
Effective date
October 1, 2026

Related codes in category L11

L11Other acantholytic disordersL11.0Acquired keratosis follicularisYesL11.1Transient acantholytic dermatosis [Grover]YesL11.8Other specified acantholytic disordersYes

Frequently asked questions

What is ICD-10 code L11.9?

L11.9 is an ICD-10-CM diagnosis code for Acantholytic disorder, unspecified.

Is L11.9 a billable code?

Yes. L11.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is L11.9 in?

L11.9 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.

When did L11.9 become effective?

L11.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to L11.9?

L11.9 belongs to category L11, which includes 4 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.