U.S. ICD-10-CM · FY 2027

L56 ICD-10-CM Code: Other acute skin changes due to ultraviolet radiation

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

L56

Other acute skin changes due to ultraviolet radiation

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where L56 sits

  1. 1

    Chapter 12

    Diseases of the skin and subcutaneous tissue (L00-L99)

  2. 2

    Section

    Radiation-related disorders of the skin and subcutaneous tissue (L55-L59)

  3. 3

    Category L56

    Other acute skin changes due to ultraviolet radiation

  4. 4

    Code L56

    Other acute skin changes due to ultraviolet radiation

More specific choices

Codes under L56

L56 is a non-billable category. Choose the child code that best matches the documented diagnosis.

L56.0

Drug phototoxic response

L56.1

Drug photoallergic response

L56.2

Photocontact dermatitis [berloque dermatitis]

L56.3

Solar urticaria

L56.4

Polymorphous light eruption

L56.5

Disseminated superficial actinic porokeratosis (DSAP)

L56.8

Other specified acute skin changes due to ultraviolet radiation

L56.9

Acute skin change due to ultraviolet radiation, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for L56.

Code first

No “code first” instruction is listed for L56.

Use additional code

  • code to identify the source of the ultraviolet radiation (W89, X32)

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for L56.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for L56.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code L56 mean?

L56 is the FY 2027 U.S. ICD-10-CM code for “Other acute skin changes due to ultraviolet radiation.”

Is L56 a billable or specific ICD-10-CM code?

No. L56 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is L56 located in ICD-10-CM?

L56 is listed in Chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99), within Radiation-related disorders of the skin and subcutaneous tissue (L55-L59) (L55–L59), under category L56, Other acute skin changes due to ultraviolet radiation.

What coding notes are listed for L56?

No inclusion terms are listed for L56 in this reference record. No code-first instruction is listed. Additional-code instructions: code to identify the source of the ultraviolet radiation (W89, X32). No Excludes1 note is listed. No Excludes2 note is listed.

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