ICD-10 Code L02.82 – Furuncle of other sites (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L02.82 – Furuncle of other sites
What it is
This code identifies a localized boil, or furuncle, occurring at a body site not named by a more specific ICD-10 code. It reflects a skin and soft tissue infection centered on a hair follicle.
Clinical signs
Typical findings include a painful, red, swollen nodule that may enlarge and form pus. Clinical features vary; refer to documentation for the exact site and whether the lesion is draining or fluctuant.
When to use this code
Use L02.82 when the provider documents a furuncle at an unspecified “other” site, and no more specific site code applies. You may also use it when the record clearly describes a boil but does not name a coded location. Check documentation if the lesion is part of a broader abscess or cellulitis diagnosis.
Do not use for
Do not use this code for furuncles with a more specific anatomic site code, or for carbuncles and non-furuncular abscesses. If the documentation is unclear, check documentation rather than assuming L02.82.
Coding tip
Code the most specific documented site first; if the location is not captured in ICD-10, L02.82 may be appropriate.