What does ICD-10 code L57.1 mean?

ICD-10 code L57.1 is the standardized code used for actinic reticuloid in medical records and coding systems.

When is ICD-10 code L57.1 used?

Doctors, hospitals, and insurers may use ICD-10 code L57.1 when recording actinic reticuloid in a standardized format.

Does ICD-10 code L57.1 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 L57.1: Actinic reticuloid

Name: ICD-10 Code L57.1: Actinic reticuloid
Creator: HealthAssure Clinical Team
Published: 2026-05-26T05:25:39.445Z

L57.1 is a billable ICD-10 diagnosis code used to classify Actinic reticuloid 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 actinic reticuloid 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

L55-L59Radiation-related disorders of the skin and subcutaneous tissue

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

L57.0Actinic keratosisbillable L57.2Cutis rhomboidalis nuchaebillable L57.3Poikiloderma of Civattebillable L57.4Cutis laxa senilisbillable L57.5Actinic granulomabillable L57.8Other skin changes due to chronic exposure to nonionizing radiationbillable L57.9Skin changes due to chronic exposure to nonionizing radiation, unspecifiedbillable

Mapped diagnoses and classifications

SNOMED_CT 52636001high

Actinic reticuloid

Source: SNOMED International ICD-10 map

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.

Legacy codes

L57.1

Common synonyms

Actinic reticuloid

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.