ICD-10 L50
Non-Billable HeaderUrticaria
About ICD-10-CM L50
ICD-10-CM code L50 represents Urticaria. This is a non-billable header code in the Skin and Subcutaneous Tissue chapter (block L50). The 2026 edition of ICD-10-CM L50 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with L50. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- 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)
Medicare LCD Coverage for L50
Local Coverage Determinations (LCDs) from CMS MACs that list L50 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L50.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but L50 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with L50
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To L50
Other codes in section L49-L54 (Urticaria and erythema).
ICD-10 L50, Billing FAQ
Is ICD-10 code L50 billable? +
No, L50 is a non-billable header code. Use a more specific child code from block L50 when submitting claims.
What codes are Type 1 Excludes for L50? +
Type 1 Excludes (never code together with L50): allergic contact dermatitis (L23.-); angioneurotic edema (T78.3); giant urticaria (T78.3)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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