U.S. ICD-10-CM · FY 2027

L03.01 ICD-10-CM Code: Cellulitis of finger

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

Code definition

Official description

L03.01

Cellulitis of finger

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

Classification

Where L03.01 sits

  1. 1

    Chapter 12

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

  2. 2

    Section

    Infections of the skin and subcutaneous tissue (L00-L08)

  3. 3

    Category L03

    Cellulitis and acute lymphangitis

  4. 4

    Subcategory L03.0

    Cellulitis and acute lymphangitis of finger and toe

  5. 5

    Code L03.01

    Cellulitis of finger

More specific choices

Codes under L03.01

L03.01 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

  • Felon
  • Whitlow

Code first

No “code first” instruction is listed for L03.01.

Use additional code

No “use additional code” instruction is listed for L03.01.

Excludes1

Conditions that should not be reported together with this code.

  • herpetic whitlow (B00.89)

Excludes2

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

No Excludes2 note is listed for L03.01.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

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 L03.01 mean?

L03.01 is the FY 2027 U.S. ICD-10-CM code for “Cellulitis of finger.”

Is L03.01 a billable or specific ICD-10-CM code?

No. L03.01 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 L03.01 located in ICD-10-CM?

L03.01 is listed in Chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99), within Infections of the skin and subcutaneous tissue (L00-L08) (L00–L08), under category L03, Cellulitis and acute lymphangitis and subcategory L03.0, Cellulitis and acute lymphangitis of finger and toe.

What coding notes are listed for L03.01?

Its listed inclusion terms are Felon; Whitlow. No code-first instruction is listed. Excludes1 notes: herpetic whitlow (B00.89). No Excludes2 note is listed.

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