ICD-10-CM 2027 diagnosis code
L49Exfoliation due to erythematous conditions according to extent of body surface involved
L49 is a header code, so it can't be reported by itself. Choose one of the 10 more specific codes beneath it.Short description: Exfoliatn due to erythemat cond accord extent body involv
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About L49
L49 is the ICD-10-CM diagnosis code for Exfoliation due to erythematous conditions according to extent of body surface involved. It belongs to block L49-L54 (urticaria and erythema) and chapter 12 (diseases of the skin and subcutaneous tissue). It is a header code, so it can't be reported by itself; one of its 10 subcodes must be used instead.
To report this condition, pick the subcode that matches the documentation: L49.0 (surface), L49.1 (surface), L49.2 (surface), L49.3 (surface), L49.4 (surface), L49.5 (surface), L49.6 (surface), L49.7 (surface) and 2 more.
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) and 1 more.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Specific codes under L49
- L49.0Exfoliation due to erythematous condition involving less than 10 percent of body surfaceBillable
- L49.1Exfoliation due to erythematous condition involving 10-19 percent of body surfaceBillable
- L49.2Exfoliation due to erythematous condition involving 20-29 percent of body surfaceBillable
- L49.3Exfoliation due to erythematous condition involving 30-39 percent of body surfaceBillable
- L49.4Exfoliation due to erythematous condition involving 40-49 percent of body surfaceBillable
- L49.5Exfoliation due to erythematous condition involving 50-59 percent of body surfaceBillable
- L49.6Exfoliation due to erythematous condition involving 60-69 percent of body surfaceBillable
- L49.7Exfoliation due to erythematous condition involving 70-79 percent of body surfaceBillable
- L49.8Exfoliation due to erythematous condition involving 80-89 percent of body surfaceBillable
- L49.9Exfoliation due to erythematous condition involving 90 or more percent of body surfaceBillable
Coding notes
Notes that apply from higher levels
Instructions written at a parent level also apply to L49.
Broader instructions also apply from L49-L54 Urticaria and erythema and Chapter 12: Diseases of the skin and subcutaneous tissue.
Codes whose notes reference L49
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about L49
Is L49 billable?
- No. L49 is a header code. Report one of its more specific subcodes instead.