L03.31
⚠ Non-billable
Cellulitis of trunk
ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue
Code
L03.31
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Skin and Subcutaneous Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code L03.31?
ICD-10-CM code L03.31 represents Cellulitis of trunk. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is L03.31 billable?
No. L03.31 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is L03.31 in?
L03.31 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.
Related codes in the L03 category
L03
Cellulitis and acute lymphangitis
Non-billable
L03.0
Cellulitis and acute lymphangitis of finger and toe
Non-billable
L03.1
Cellulitis and acute lymphangitis of other parts of limb
Non-billable
L03.2
Cellulitis and acute lymphangitis of face and neck
Non-billable
L03.3
Cellulitis and acute lymphangitis of trunk
Non-billable
L03.8
Cellulitis and acute lymphangitis of other sites
Non-billable
L03.9
Cellulitis and acute lymphangitis, unspecified
Non-billable
L03.01
Cellulitis of finger
Non-billable
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