ICD-10-CM Diagnosis Code (2025)
Official Description for L23
Allergic contact dermatitis
Coding Notes & Guidelines for L23
- allergy NOS (T78.40)
- contact dermatitis NOS (L25.9)
- dermatitis NOS (L30.9)
- dermatitis due to substances taken internally (L27.-)
- dermatitis of eyelid (H01.1-)
- diaper dermatitis (L22)
- eczema of external ear (H60.5-)
- irritant contact dermatitis (L24.-)
- perioral dermatitis (L71.0)
- radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
dermatitis due to ingested drugs and medicaments (L27.0-L27.1)
dermatitis due to ingested food (L27.2)
allergy NOS due to pollen (J30.1)
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- Allergic contact dermatitis due to chromium
- Allergic contact dermatitis due to nickel
- Allergic contact dermatitis due to cement
- Allergic contact dermatitis due to insecticide
- Allergic contact dermatitis due to plastic
- Allergic contact dermatitis due to rubber
Allergic contact dermatitis due to animal (cat) (dog) hair
Allergic contact eczema NOS
Child Codes (More Specific Codes for L23):
About ICD-10-CM Code L23 (Allergic contact dermatitis)
ICD-10-CM code L23 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM L23 became effective on October 1, 2024.
This page provides detailed information about L23 - Allergic contact dermatitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Allergic contact dermatitis.