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L49Non-billableSave

L49 - Exfoliation due to erythematous conditions according to extent of body surface involved

ICD-10-CM Chapter 12: Diseases of the skin and subcutaneous tissue · L49-L54 Urticaria and erythema (L49-L54) · Top-level category · FY2027

Coding Guidance

L49 is a non-billable heading. Report one of the 10 more specific codes below.

Includes, Excludes and Coding Notes

Code FirstFrom L49

Sequence the underlying condition before this code.

  • 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)
Excludes 1 — Not Coded HereFrom L49-L54 Urticaria and erythema (L49-L54)

Mutually exclusive: these conditions are never reported together with this code.

  • Lyme disease (A69.2-)
  • rosacea (L71.-)
Excludes 2 — Not Included HereFrom Chapter L00-L99

Not part of this code; report both codes when the patient has both conditions.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

More Specific Codes (10)

L49.0Exfoliation due to erythematous condition involving less than 10 percent of body surface→L49.1Exfoliation due to erythematous condition involving 10-19 percent of body surface→L49.2Exfoliation due to erythematous condition involving 20-29 percent of body surface→L49.3Exfoliation due to erythematous condition involving 30-39 percent of body surface→L49.4Exfoliation due to erythematous condition involving 40-49 percent of body surface→L49.5Exfoliation due to erythematous condition involving 50-59 percent of body surface→L49.6Exfoliation due to erythematous condition involving 60-69 percent of body surface→L49.7Exfoliation due to erythematous condition involving 70-79 percent of body surface→L49.8Exfoliation due to erythematous condition involving 80-89 percent of body surface→L49.9Exfoliation due to erythematous condition involving 90 or more percent of body surface→