L73.9Billable

Follicular disorder, unspecified

Chapter
12. Diseases of the skin and subcutaneous tissue
Category
L73
Effective date
October 1, 2026

Related codes in category L73

L73Other follicular disordersL73.0Acne keloidYesL73.1Pseudofolliculitis barbaeYesL73.2Hidradenitis suppurativaYesL73.8Other specified follicular disordersYes

Frequently asked questions

What is ICD-10 code L73.9?

L73.9 is an ICD-10-CM diagnosis code for Follicular disorder, unspecified.

Is L73.9 a billable code?

Yes. L73.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is L73.9 in?

L73.9 falls under Chapter 12: Diseases of the skin and subcutaneous tissue.

When did L73.9 become effective?

L73.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to L73.9?

L73.9 belongs to category L73, which includes 5 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.