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.
Official description
L49Exfoliation due to erythematous conditions according to extent of body surface involved
ICD-10-CM diagnosis code · United States clinical modification
Where L49 sits
- 1
Chapter 12
Diseases of the skin and subcutaneous tissue (L00-L99)
- 2
Section
Urticaria and erythema (L49-L54)
- 3
Category L49
Exfoliation due to erythematous conditions according to extent of body surface involved
- 4
Code L49
Exfoliation due to erythematous conditions according to extent of body surface involved
Codes under L49
L49 is a non-billable category. Choose the child code that best matches the documented diagnosis.
L49.0Exfoliation due to erythematous condition involving less than 10 percent of body surfaceL49.1Exfoliation due to erythematous condition involving 10-19 percent of body surfaceL49.2Exfoliation due to erythematous condition involving 20-29 percent of body surfaceL49.3Exfoliation due to erythematous condition involving 30-39 percent of body surfaceL49.4Exfoliation due to erythematous condition involving 40-49 percent of body surfaceL49.5Exfoliation due to erythematous condition involving 50-59 percent of body surfaceL49.6Exfoliation due to erythematous condition involving 60-69 percent of body surfaceL49.7Exfoliation due to erythematous condition involving 70-79 percent of body surfaceL49.8Exfoliation due to erythematous condition involving 80-89 percent of body surfaceL49.9Exfoliation due to erythematous condition involving 90 or more percent of body surfaceNotes 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.
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 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.