U.S. ICD-10-CM · FY 2027

L49 ICD-10-CM Code: Exfoliation due to erythematous conditions according to extent of body surface involved

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

L49

Exfoliation due to erythematous conditions according to extent of body surface involved

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where L49 sits

  1. 1

    Chapter 12

    Diseases of the skin and subcutaneous tissue (L00-L99)

  2. 2

    Section

    Urticaria and erythema (L49-L54)

  3. 3

    Category L49

    Exfoliation due to erythematous conditions according to extent of body surface involved

  4. 4

    Code L49

    Exfoliation due to erythematous conditions according to extent of body surface involved

More specific choices

Codes under L49

L49 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for L49.

Code first

  • erythematous condition causing exfoliation, such as:
  • Ritter's disease (L00)
  • (Staphylococcal) scalded skin syndrome (L00)
  • Stevens-Johnson syndrome (L51.1)
  • Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome (L51.3)
  • Toxic epidermal necrolysis (L51.2)

Use additional code

No “use additional code” instruction is listed for L49.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for L49.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for L49.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

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.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code L49 mean?

L49 is the FY 2027 U.S. ICD-10-CM code for “Exfoliation due to erythematous conditions according to extent of body surface involved.”

Is L49 a billable or specific ICD-10-CM code?

No. L49 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is L49 located in ICD-10-CM?

L49 is listed in Chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99), within Urticaria and erythema (L49-L54) (L49–L54), under category L49, Exfoliation due to erythematous conditions according to extent of body surface involved.

What coding notes are listed for L49?

No inclusion terms are listed for L49 in this reference record. Code-first instructions: erythematous condition causing exfoliation, such as:; Ritter's disease (L00); (Staphylococcal) scalded skin syndrome (L00); Stevens-Johnson syndrome (L51.1); Stevens-Johnson syndrome-toxic epidermal necrolysis overlap syndrome (L51.3); Toxic epidermal necrolysis (L51.2). No Excludes1 note is listed. No Excludes2 note is listed.

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