L23.9
BillableAllergic contact dermatitis, unspecified cause
L23.9 is the ICD-10-CM code for Allergic contact dermatitis, unspecified cause. It is a billable, specific code valid for reimbursement.
L00-L99 Diseases of the skin and subcutaneous tissue
What this means — in plain language
MedlinePlus · NIHAn allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing. Substances that often cause reactions are: Pollen Dust mites Mold spores Pet dander Food Insect stings Medicines Normally, your immune system fights germs. It is your body's defense system. In most allergic reactions, however, it is responding to a…
Read more about Allergy at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Allergic contact eczema NOS
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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