What does ICD-10 code L53.0 mean?

ICD-10 code L53.0 is the standardized code used for toxic erythema in medical records and coding systems.

When is ICD-10 code L53.0 used?

Doctors, hospitals, and insurers may use ICD-10 code L53.0 when recording toxic erythema in a standardized format.

Does ICD-10 code L53.0 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code L53.0: Toxic erythema

Name: ICD-10 Code L53.0: Toxic erythema
Creator: HealthAssure Clinical Team
Published: 2026-05-26T05:25:39.445Z

L53.0 is a billable ICD-10 diagnosis code used to classify Toxic erythema 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 toxic erythema 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

L49-L54Urticaria and erythema

Official coding notes

Applicable to

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Excludes1 (do not code together)

neonatal erythema toxicum (P83.1)

Code first

poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use additional code

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

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

Sibling codes

L53.1Erythema annulare centrifugumbillable L53.2Erythema marginatumbillable L53.3Other chronic figurate erythemabillable L53.8Other specified erythematous conditionsbillable L53.9Erythematous condition, unspecifiedbillable

Mapped diagnoses and classifications

SNOMED_CT 238816001high

Toxic urticated erythema

Source: SNOMED International ICD-10 map

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.

Legacy codes

L53.0

Common synonyms

Toxic erythema

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.