L03.9 (Cellulitis and acute lymphangitis, unspecified) is an umbrella ICD-10-CM medical diagnosis code in the Diseases of the skin and subcutaneous tissue chapter. It identifies cases of cellulitis and acute lymphangitis, unspecified for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

L03.9 — Cellulitis and acute lymphangitis, unspecified

Chapter L00-L99: Diseases of the skin and subcutaneous tissue

Need plain-language info on this diagnosis?

Ask GoDavaii AI about Cellulitis and acute lymphangitis, unspecified

Sub-codes under L03.9

L03.90Cellulitis, unspecifiedL03.91Acute lymphangitis, unspecified

Related diagnoses

L03.0Cellulitis and acute lymphangitis of finger and toeL03.1Cellulitis and acute lymphangitis of other parts of limbL03.2Cellulitis and acute lymphangitis of face and neckL03.3Cellulitis and acute lymphangitis of trunkL03.8Cellulitis and acute lymphangitis of other sites

Common questions about L03.9 (Cellulitis and acute lymphangitis, unspecified)

What does ICD-10 code L03.9 mean?
L03.9 is the ICD-10-CM 2025 code for Cellulitis and acute lymphangitis, unspecified. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is L03.9 a billable diagnosis code?
L03.9 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under L03.9. Browse the sub-codes listed on this page.
Which ICD-10 chapter does L03.9 belong to?
L03.9 belongs to the chapter "Diseases of the skin and subcutaneous tissue" (codes L00-L99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Cellulitis and acute lymphangitis, unspecified?
For a plain-language explanation of Cellulitis and acute lymphangitis, unspecified, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Cellulitis and acute lymphangitis, unspecified" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗