Skip to main content

L03.041 vs L03.049

L03.041 (Acute lymphangitis of right toe) compared with L03.049 (Acute lymphangitis of unspecified toe), from the official CMS tabular data. L03.041 and L03.049 code the same condition on opposite sides.

Relationship

Review

Laterality relationship

L03.041
Right
Acute lymphangitis of right toe
L03.049
Unspecified
Acute lymphangitis of unspecified toe

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. L03.041 and L03.049 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

L03.041Acute lymphangitis of right toeL03.049Acute lymphangitis of unspecified toe
Billing statusBillableBillable
ClassificationL00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99)L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99)
DefinitionAcute lymphangitis of right toe is a billable ICD-10-CM diagnosis code (L03.041).Acute lymphangitis of unspecified toe is a billable ICD-10-CM diagnosis code (L03.049).
Use additional code
code (B95-B97) to identify infectious agent.
code (B95-B97) to identify infectious agent.

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources