L50
Non-Billable

Urticaria

Non-Billable / Non-Specific Code

What is Urticaria?

ICD-10-CM L50 is the diagnosis code for Urticaria. This code falls under the section "Urticaria and erythema" within Chapter 12 — Diseases of the skin and subcutaneous tissue (L00-L99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for L50

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as L50. They are mutually exclusive:

  • 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)

ICD-10-CM Code Hierarchy

Understanding where L50 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 9 entries
L50.0Allergic urticariaBillableL50.1Idiopathic urticariaBillableL50.2Urticaria due to cold and heatBillableL50.3Dermatographic urticariaBillableL50.4Vibratory urticariaBillableL50.5Cholinergic urticariaBillableL50.6Contact urticariaBillableL50.8Other urticariaBillableL50.9Urticaria, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is L50 a billable ICD-10-CM code?

No, L50 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does L50 mean?

L50 is the ICD-10-CM diagnosis code for "Urticaria". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is L50 in?

L50 is located in Section L49-L54 — "Urticaria and erythema" within Chapter 12 of the ICD-10-CM Tabular List.

What are the sub-codes of L50?

L50 has 9 sub-code(s) that provide more specific detail: L50.0, L50.1, L50.2, L50.3, L50.4 and more.

When should I use L50?

Use L50 when the patients documented diagnosis matches "Urticaria" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Urticaria?

The ICD-10-CM code for Urticaria is L50.

Can L50 be used for primary diagnosis?

No, L50 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is L50 in?

L50 is in Chapter 12 of the ICD-10-CM Tabular List.

What conditions are excluded from L50?

Type 1 Excludes for L50 include: allergic contact dermatitis (L23.-); angioneurotic edema (T78.3); giant urticaria (T78.3) and more.

Is L50 valid for 2026?

Yes, L50 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousL49.9Exfoliation due to erythematous condition involving 90 or more percent of body surfaceNext →L50.0Allergic urticaria
Code Details
L50
Urticaria
Non-Billable / Non-Specific Code
12 — Diseases of the skin and subcutaneous tissue (L00-L99)
L49-L54 — Urticaria and erythema
2026 ICD-10-CM