L23
⚠ Non-billable
Allergic contact dermatitis
ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue
Code
L23
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Skin and Subcutaneous Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code L23?
ICD-10-CM code L23 represents Allergic contact dermatitis. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is L23 billable?
No. L23 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is L23 in?
L23 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.
Related codes in the L23 category
L23.0
Allergic contact dermatitis due to metals
Billable
L23.1
Allergic contact dermatitis due to adhesives
Billable
L23.2
Allergic contact dermatitis due to cosmetics
Billable
L23.3
Allergic contact dermatitis due to drugs in contact with skin
Billable
L23.4
Allergic contact dermatitis due to dyes
Billable
L23.5
Allergic contact dermatitis due to other chemical products
Billable
L23.6
Allergic contact dermatitis due to food in contact with the skin
Billable
L23.7
Allergic contact dermatitis due to plants, except food
Billable
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