ICD-10-CM Tabular Index · Chapter 12 · FY 2027 L13

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.

✓ Built from the official CMS FY 2027 datasetEffective Oct 1, 2026 – Sep 30, 2027
5
Diagnosis Codes
4
Billable Codes
L13
Code Range
L10–L14
Parent Section
ICD-10-CM

Codes in the L13 Range 5 codes · 4 billable

5 of 5 shown
  • L13 Other bullous disordersNon-billable
  • L13.0 Dermatitis herpetiformis
  • L13.1 Subcorneal pustular dermatitis
  • L13.8 Other specified bullous disorders
  • L13.9 Bullous disorder, unspecified

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.