L03.31ABillable
Cellulitis of flank
- Chapter
- 12. Diseases of the skin and subcutaneous tissue
- Category
- L03
- Effective date
- October 1, 2026
Related codes in category L03
L03Cellulitis and acute lymphangitisL03.0Cellulitis and acute lymphangitis of finger and toeL03.01Cellulitis of fingerL03.011Cellulitis of right fingerYesL03.012Cellulitis of left fingerYesL03.019Cellulitis of unspecified fingerYesL03.02Acute lymphangitis of fingerL03.021Acute lymphangitis of right fingerYesL03.022Acute lymphangitis of left fingerYesL03.029Acute lymphangitis of unspecified fingerYesL03.03Cellulitis of toeL03.031Cellulitis of right toeYes
Frequently asked questions
What is ICD-10 code L03.31A?
L03.31A is an ICD-10-CM diagnosis code for Cellulitis of flank.
Is L03.31A a billable code?
Yes. L03.31A is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is L03.31A in?
L03.31A falls under Chapter 12: Diseases of the skin and subcutaneous tissue.
When did L03.31A become effective?
L03.31A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to L03.31A?
L03.31A belongs to category L03, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.