L23.3: Allergic contact dermatitis due to drugs in contact with skin
L23.3 is a billable, specific ICD-10-CM code for allergic contact dermatitis due to drugs in contact with skin. It is valid for submission on a claim.
Check L23.3 with the rest of the claim: free scrubberExcludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Use additional code
Add a secondary code to capture the detail described below.
Excludes1 inherited from the categories above L23.3
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above L23.3
Not part of this code, but both may be coded when both are present.
Written on L23: Allergic contact dermatitis
Other codes that can never be billed with L23.3
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
L23.3 is named in 13 Medicare coverage policies: 13 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56459Billing and Coding: Debridement Services
- A56558Billing and Coding: Allergy Testing
- A57531Billing and Coding: Allergy Testing
- A60360Billing and Coding: Allergy Diagnostic Testing
Alphabetic index entries that lead here
- Dermatitis›contact›allergic›due to›drugs in contact with skin
- Dermatitis›due to›drugs and medicaments›in contact with skin›allergic
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under L23
- L23.0Allergic contact dermatitis due to metals
- L23.1Allergic contact dermatitis due to adhesives
- L23.2Allergic contact dermatitis due to cosmetics
- L23.4Allergic contact dermatitis due to dyes
- L23.5Allergic contact dermatitis due to other chemical products
- L23.6Allergic contact dermatitis due to food in contact with the skin
- L23.7Allergic contact dermatitis due to plants, except food
- L23.8Allergic contact dermatitis due to other agents
- L23.9Allergic contact dermatitis, unspecified cause