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ICD10BillableValid for clinical use

ICD-10 Code L27.2: Dermatitis due to ingested food

L27.2 is a billable ICD-10 diagnosis code used to classify Dermatitis due to ingested food in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. 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).

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 dermatitis due to ingested food 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
L27Dermatitis due to substances taken internally
currentL27

Official coding notes

Excludes2 (may code together if documented)
  • dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)

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

Coverage-related procedures and services

CPT 95004high
PERCUTANEOUS TESTS (SCRATCH, PUNCTURE, PRICK) WITH ALLERGENIC EXTRACTS, IMMEDIATE TYPE REACTION, INCLUDING TEST INTERPRETATION AND REPORT, SPECIFY NUMBER OF TESTS
Source: CMS coverage guidance
CPT 95018high
ALLERGY TESTING, ANY COMBINATION OF PERCUTANEOUS (SCRATCH, PUNCTURE, PRICK) AND INTRACUTANEOUS (INTRADERMAL), SEQUENTIAL AND INCREMENTAL, WITH DRUGS OR BIOLOGICALS, IMMEDIATE TYPE REACTION, INCLUDING TEST INTERPRETATION AND REPORT, SPECIFY NUMBER OF TESTS
Source: CMS coverage guidance
CPT 95017high
ALLERGY TESTING, ANY COMBINATION OF PERCUTANEOUS (SCRATCH, PUNCTURE, PRICK) AND INTRACUTANEOUS (INTRADERMAL), SEQUENTIAL AND INCREMENTAL, WITH VENOMS, IMMEDIATE TYPE REACTION, INCLUDING TEST INTERPRETATION AND REPORT, SPECIFY NUMBER OF TESTS
Source: CMS coverage guidance
CPT 86003high
ALLERGEN SPECIFIC IGE; QUANTITATIVE OR SEMIQUANTITATIVE, CRUDE ALLERGEN EXTRACT, EACH
Source: CMS coverage guidance
CPT 95079high
INGESTION CHALLENGE TEST (SEQUENTIAL AND INCREMENTAL INGESTION OF TEST ITEMS, EG, FOOD, DRUG OR OTHER SUBSTANCE); EACH ADDITIONAL 60 MINUTES OF TESTING (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 95076high
INGESTION CHALLENGE TEST (SEQUENTIAL AND INCREMENTAL INGESTION OF TEST ITEMS, EG, FOOD, DRUG OR OTHER SUBSTANCE); INITIAL 120 MINUTES OF TESTING
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
L27.2

Common synonyms

Dermatitis due to ingested food

Frequently asked questions

Code details

CodeL27.2
SystemICD10
Display nameDermatitis due to ingested food
ChapterDiseases of the skin and subcutaneous tissue (L00-L99)
BlockDermatitis and eczema

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Allergy, allergic(reaction) (to)Dermatitis(eczematous)Dermatitis(eczematous)Dermatitis(eczematous)Dermatitis(eczematous)Dermatitis(eczematous)Dermatitis(eczematous)Dermatitis(eczematous)Dermatitis(eczematous)Dermatitis(eczematous)Dermatitis(eczematous)Food

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.

ICD-10 Code L27.2 for Dermatitis due to ingested food | HealthAssure