L50Non-billableSave

L50 - Urticaria

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

L50 is a non-billable heading. Report one of the 9 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom L50

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

  • allergic contact dermatitis (L23.-)
  • angioneurotic edema (T78.3)
  • giant urticaria (T78.3)
  • hereditary angio-edema (D84.1)
  • Quincke's edema (T78.3)
  • serum urticaria (T80.6-)
  • solar urticaria (L56.3)
  • urticaria neonatorum (P83.8)
  • urticaria papulosa (L28.2)
  • urticaria pigmentosa (D47.01)
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.-)

Documentation requirements, coding pitfalls and FAQs for conditions coded with L50.