L03.01
Non-Billable

Cellulitis of finger

Non-Billable / Non-Specific Code

What is Cellulitis of finger?

ICD-10-CM L03.01 is the diagnosis code for Cellulitis of finger. This code falls under the section "Infections of the skin and subcutaneous tissue" within Chapter 12 — Diseases of the skin and subcutaneous tissue (L00-L99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for L03.01

✅ This Code Includes

  • Felon
  • Whitlow

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as L03.01. They are mutually exclusive:

  • herpetic whitlow (B00.89)

ICD-10-CM Code Hierarchy

Understanding where L03.01 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
L03.011Cellulitis of right fingerBillableL03.012Cellulitis of left fingerBillableL03.019Cellulitis of unspecified fingerBillable
Related Codes

Frequently Asked Questions

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

No, L03.01 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does L03.01 mean?

L03.01 is the ICD-10-CM diagnosis code for "Cellulitis of finger". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of L03.01?

The parent code of L03.01 is L03.0 ("Cellulitis and acute lymphangitis of finger and toe"). L03.01 provides a more specific classification within this category.

What section is L03.01 in?

L03.01 is located in Section L00-L08 — "Infections of the skin and subcutaneous tissue" within Chapter 12 of the ICD-10-CM Tabular List.

What are the sub-codes of L03.01?

L03.01 has 3 sub-code(s) that provide more specific detail: L03.011, L03.012, L03.019.

When should I use L03.01?

Use L03.01 when the patients documented diagnosis matches "Cellulitis of finger" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Cellulitis of finger?

The ICD-10-CM code for Cellulitis of finger is L03.01.

Can L03.01 be used for primary diagnosis?

No, L03.01 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is L03.01 in?

L03.01 is in Chapter 12 of the ICD-10-CM Tabular List.

What conditions are excluded from L03.01?

Type 1 Excludes for L03.01 include: herpetic whitlow (B00.89).

Is L03.01 valid for 2026?

Yes, L03.01 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousL03.0Cellulitis and acute lymphangitis of finger and toeNext →L03.011Cellulitis of right finger
Code Details
L03.01
Cellulitis of finger
Non-Billable / Non-Specific Code
12 — Diseases of the skin and subcutaneous tissue (L00-L99)
L00-L08 — Infections of the skin and subcutaneous tissue
2026 ICD-10-CM