L50.0

L50.0: Allergic urticaria

Billable / specific codeICD-10-CM

L50.0 is a billable, specific ICD-10-CM code for allergic urticaria. It is valid for submission on a claim.

Check L50.0 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above L50.0

A category’s note binds every code beneath it.

Written on L50: Urticaria

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)

Other codes that can never be billed with L50.0

Their own Excludes1 notes name this code, so the conflict is not listed above.

L95Vasculitis limited to skin, not elsewhere classified
T78.3Angioneurotic edema
T78.3XXAAngioneurotic edema, initial encounter
T78.3XXDAngioneurotic edema, subsequent encounter
T78.3XXSAngioneurotic edema, sequela

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

L50.0 is named in 14 Medicare coverage policies: 14 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56558Billing and Coding: Allergy Testing
A56844Billing and Coding: RAST Type Tests
A57043Billing and Coding: RAST Type Tests
A57531Billing and Coding: Allergy Testing

Alphabetic index entries that lead here

Allergy, allergic›urticaria
Urticaria›allergic
Urticaria›due to›drugs
Urticaria›due to›food
Urticaria›due to›inhalants

Code history

Unchanged in every release from FY2024 to FY2027.