L51.2 ICD-10-CM Code: Toxic epidermal necrolysis [Lyell]
L51.2 is the billable ICD-10-CM code for “Toxic epidermal necrolysis [Lyell]” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
L51.2Toxic epidermal necrolysis [Lyell]
ICD-10-CM diagnosis code · United States clinical modification
Where L51.2 sits
- 1
Chapter 12
Diseases of the skin and subcutaneous tissue (L00-L99)
- 2
Section
Urticaria and erythema (L49-L54)
- 3
Category L51
Erythema multiforme
- 4
Code L51.2
Toxic epidermal necrolysis [Lyell]
Notes for this code
Inclusion terms
No inclusion terms are listed for L51.2.
Code first
No “code first” instruction is listed for L51.2.
Use additional code
No “use additional code” instruction is listed for L51.2.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for L51.2.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for L51.2.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code L51.2 mean?
L51.2 is the FY 2027 U.S. ICD-10-CM code for “Toxic epidermal necrolysis [Lyell].”
Is L51.2 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, L51.2 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is L51.2 located in ICD-10-CM?
L51.2 is listed in Chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99), within Urticaria and erythema (L49-L54) (L49–L54), under category L51, Erythema multiforme.
What coding notes are listed for L51.2?
No inclusion terms are listed for L51.2 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.