L50.2

Urticaria due to cold and heat

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · L50.2

Excludes 2

familial cold urticaria (M04.2)

Inherited from L50Urticaria

Excludes 1

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)

Inherited from L49-L54Urticaria and erythema

Excludes 1

Lyme disease (A69.2-) rosacea (L71.-)

Inherited from chapter 12Diseases of the skin and subcutaneous tissue

Excludes 2

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.-)

Official Guidelines for L50.2

FY 2026 ›

I.C.12Chapter-specific guidanceChapter 12: Diseases of the Skin and Subcutaneous Tissue

Subsections

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