Is L03 a billable code?
No. L03 is a header code that groups 55 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
L03: Cellulitis and acute lymphangitis
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
L03 groups related diagnoses under cellulitis and acute lymphangitis. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under L03
- L03.011Cellulitis of right finger
- L03.012Cellulitis of left finger
- L03.019Cellulitis of unspecified finger
- L03.021Acute lymphangitis of right finger
- L03.022Acute lymphangitis of left finger
- L03.029Acute lymphangitis of unspecified finger
- L03.031Cellulitis of right toe
- L03.032Cellulitis of left toe
- L03.039Cellulitis of unspecified toe
- L03.041Acute lymphangitis of right toe
- L03.042Acute lymphangitis of left toe
- L03.049Acute lymphangitis of unspecified toe
- L03.111Cellulitis of right axilla
- L03.112Cellulitis of left axilla
- L03.113Cellulitis of right upper limb
- L03.114Cellulitis of left upper limb
- L03.115Cellulitis of right lower limb
- L03.116Cellulitis of left lower limb
- L03.119Cellulitis of unspecified part of limb
- L03.121Acute lymphangitis of right axilla
- L03.122Acute lymphangitis of left axilla
- L03.123Acute lymphangitis of right upper limb
- L03.124Acute lymphangitis of left upper limb
- L03.125Acute lymphangitis of right lower limb
- L03.126Acute lymphangitis of left lower limb
- L03.129Acute lymphangitis of unspecified part of limb
- L03.211Cellulitis of face
- L03.212Acute lymphangitis of face
- L03.213Periorbital cellulitis
- L03.221Cellulitis of neck
- L03.222Acute lymphangitis of neck
- L03.311Cellulitis of abdominal wall
- L03.312Cellulitis of back [any part except buttock and flank]
- L03.313Cellulitis of chest wall
- L03.314Cellulitis of groin
- L03.315Cellulitis of perineum
- L03.316Cellulitis of umbilicus
- L03.317Cellulitis of buttock
- L03.319Cellulitis of trunk, unspecified
- L03.31ACellulitis of flank
- L03.321Acute lymphangitis of abdominal wall
- L03.322Acute lymphangitis of back [any part except buttock and flank]
- L03.323Acute lymphangitis of chest wall
- L03.324Acute lymphangitis of groin
- L03.325Acute lymphangitis of perineum
- L03.326Acute lymphangitis of umbilicus
- L03.327Acute lymphangitis of buttock
- L03.329Acute lymphangitis of trunk, unspecified
- L03.32AAcute lymphangitis of flank
- L03.811Cellulitis of head [any part, except face]
- L03.818Cellulitis of other sites
- L03.891Acute lymphangitis of head [any part, except face]
- L03.898Acute lymphangitis of other sites
- L03.90Cellulitis, unspecified
- L03.91Acute lymphangitis, unspecified
L03 questions
What does L03 mean?
L03 is the ICD-10-CM code for Cellulitis and acute lymphangitis. It is in chapter 12, Diseases of the skin and subcutaneous tissue (L00-L99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.