Bullous disorders (L10-L14) ICD-10-CM
The L10–L14 section covers bullous disorders with 32 ICD-10-CM diagnosis codes, of which 26 are billable in fiscal year 2027. The section is organized into the 5 code ranges listed below.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Code Ranges in This Section 5 ranges · 32 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the L10–L14 Code Range
These skin disorders involve blistering. Pemphigus is a group of long-lasting diseases with blisters forming within the skin’s outer layer.
L10 separates named forms of pemphigus from drug-induced and unspecified forms. L11 groups acquired keratosis follicularis, transient Grover disease, and other related disorders. L12 separates forms of pemphigoid and includes chronic bullous disease of childhood. Bullous pemphigoid forms blisters beneath the skin’s outer layer. L13 includes dermatitis herpetiformis, subcorneal pustular dermatitis, and other or unspecified bullous disorders. L14 identifies bullous disorders in diseases classified elsewhere.
Questions About This Page
How many codes are in the L10-L14 range?
The L10-L14 range contains 32 ICD-10-CM diagnosis codes in FY 2027. 26 of them are billable, and the rest are category headers that organize the section.
What conditions does L10-L14 cover?
The range covers bullous disorders. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
