ICD10BillableValid for clinical use
ICD-10 Code L23.6: Allergic contact dermatitis due to food in contact with the skin
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).
When is it used?
- May be used when a clinician documents allergic contact dermatitis due to food in contact with the skin in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
12Diseases of the skin and subcutaneous tissue (L00-L99)
block
L20-L30Dermatitis and eczema
category
L23Allergic contact dermatitis
currentL23
Official coding notes
Excludes2 (may code together if documented)
- dermatitis due to ingested food (L27.2)
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Dermatologist
Related codes
L23.0Allergic contact dermatitis due to metalscodeL23.1Allergic contact dermatitis due to adhesivescodeL23.2Allergic contact dermatitis due to cosmeticscodeL23.3Allergic contact dermatitis due to drugs in contact with skincodeL23.4Allergic contact dermatitis due to dyescodeL23.5Allergic contact dermatitis due to other chemical productscodeL23.7Allergic contact dermatitis due to plants, except foodcodeL23.8Allergic contact dermatitis due to other agentscategoryL23.9Allergic contact dermatitis, unspecified causecode
Sibling codes
L23.0Allergic contact dermatitis due to metalsbillableL23.1Allergic contact dermatitis due to adhesivesbillableL23.2Allergic contact dermatitis due to cosmeticsbillableL23.3Allergic contact dermatitis due to drugs in contact with skinbillableL23.4Allergic contact dermatitis due to dyesbillableL23.5Allergic contact dermatitis due to other chemical productsbillableL23.7Allergic contact dermatitis due to plants, except foodbillableL23.8Allergic contact dermatitis due to other agentsL23.9Allergic contact dermatitis, unspecified causebillable
Coverage-related procedures and services
CPT 95065high
DIRECT NASAL MUCOUS MEMBRANE TEST
Source: CMS coverage guidance
CPT 95060high
OPHTHALMIC MUCOUS MEMBRANE TESTS
Source: CMS coverage guidance
CPT 95044high
PATCH OR APPLICATION TEST(S) (SPECIFY NUMBER OF TESTS)
Source: CMS coverage guidance
CPT 95052high
PHOTO PATCH TEST(S) (SPECIFY NUMBER OF TESTS)
Source: CMS coverage guidance
CPT 95056high
PHOTO TESTS
Source: CMS coverage guidance
CPT 11001high
DEBRIDEMENT OF EXTENSIVE ECZEMATOUS OR INFECTED SKIN; EACH ADDITIONAL 10% OF THE BODY SURFACE, OR PART THEREOF (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
Mapped diagnoses and classifications
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
L23.6
Common synonyms
Allergic contact dermatitis due to food in contact with the skin
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.