L50.6 – Contact urticaria

ICD-10-CM 2027 diagnosis code · Urticaria and erythema

Billable code

ICD-10-CM code L50.6

Code: L50.6 (claims format: L506)
Description: Contact urticaria
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block: L49-L54 Urticaria and erythema
Parent codes: L50

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

L50 – Urticaria

Excludes1 (not coded here):

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)

Block L49-L54

Excludes1 (not coded here):

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

Index terms for L50.6

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in L50

L50.0 – Allergic urticariaBillable
L50.1 – Idiopathic urticariaBillable
L50.2 – Urticaria due to cold and heatBillable
L50.3 – Dermatographic urticariaBillable
L50.4 – Vibratory urticariaBillable
L50.5 – Cholinergic urticariaBillable
L50.8 – Other urticariaBillable
L50.9 – Urticaria, unspecifiedBillable

Frequently asked questions

What is ICD-10 code L50.6?

L50.6 is the ICD-10-CM code for contact urticaria, in the block L49-L54 (Urticaria and erythema).

Is L50.6 a billable code?

Yes. L50.6 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does L50.6 belong to?

It belongs to category L50 – Urticaria.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.