Other bullous disorders (L13) ICD-10-CM
The L13 code range covers other bullous disorders with 5 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the L13 Range 5 codes · 4 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the L13 range.
Dermatitis Herpetiformis
Rare, chronic, papulo-vesicular disease characterized by an intensely pruritic eruption consisting of various combinations of symmetrical, erythematous, papular, vesicular, or bullous lesions. The disease is strongly associated with the presence of HLA-B8 and HLA-DR3 antigens. A variety of different autoantibodies has been detected in small numbers in patients with dermatitis herpetiformis.
About the L13 Code Range
Bullous disorders are blistering skin conditions. L13 groups those listed as other bullous disorders.
Its subdivisions name two forms of dermatitis, or skin inflammation: L13.0 for dermatitis herpetiformis and L13.1 for subcorneal pustular dermatitis. L13.8 identifies other specified bullous disorders; L13.9 identifies a bullous disorder without a specified type.
Questions About This Page
How many billable codes are in the L13 range?
Of the 5 codes in this range, 4 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the L13 range classify?
The range classifies other bullous disorders. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.