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L03.21

Non-billable

Cellulitis and acute lymphangitis of face

L03.21 is the ICD-10-CM code for Cellulitis and acute lymphangitis of face. It is a non-billable category code — use a more specific child code such as L03.211 for billing.

Status
Header (non-billable)
Chapter
L00-L99
Parent
L03.2
Subcodes
3
Edition
FY2026

L00-L99 Diseases of the skin and subcutaneous tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code L03.21?
L03.21 is the ICD-10-CM code for "Cellulitis and acute lymphangitis of face". It falls under L00-L99 Diseases of the skin and subcutaneous tissue.
Is L03.21 a billable code?
No — L03.21 is a non-billable header code. Use a more specific child code (such as L03.211) for billing.
What are the subcodes of L03.21?
L03.21 has 3 more specific child codes, including L03.211, L03.212, L03.213.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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