L51.1
✓ Billable
Stevens-Johnson syndrome
ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue
Code
L51.1
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Skin and Subcutaneous Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code L51.1?
ICD-10-CM code L51.1 represents Stevens-Johnson syndrome. It is a billable diagnosis code in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is L51.1 billable?
Yes. L51.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is L51.1 in?
L51.1 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.
Related codes in the L51 category
L51
Erythema multiforme
Non-billable
L51.0
Nonbullous erythema multiforme
Billable
L51.2
Toxic epidermal necrolysis [Lyell]
Billable
L51.3
Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome
Billable
L51.8
Other erythema multiforme
Billable
L51.9
Erythema multiforme, unspecified
Billable
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