L02.222 Furuncle of back [any part, except buttock and flank]
The ICD-10-CM code for Furuncle of back [any part, except buttock and flank] is L02.222 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- L00-L08: Infections of the skin and subcutaneous tissue (L00-L08)
- Category L02
- 105 codes (80 billable)
- FY2026 Status
- Description revised for FY2026
Also Known As
ICD-10-CM Alphabetic Index entries that lead to L02.222:
- Furuncle › back (any part except buttock and flank)
- Furuncle › trunk › back
U.S. Hospital Utilization
- An estimated 565 U.S. inpatient stays in 2023 included L02.222 among the documented diagnoses.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Pressure ulcer stages—L89 identifies site/stage; code all ulcersa. Pressure ulcer stage codes 1) Pressure ulcer stages Codes in category L89, Pressure ulcer, identify the site and stage of the pressure ulcer. The ICD-10-CM classifies pressure ulcer stages based on severity, which is designated by stages 1-4, deep tissue pressure injury, unspecified stage, and unstageable. Assign as many codes from category L89 as needed to identify all the pressure ulcers the patient has, if applicable. See Section I.B.14. for pressure ulcer stage documentation by clinicians other than patient's provider.
Unstageable pressure ulcers—L89.--0 based on clinical documentation2) Unstageable pressure ulcers Assignment of the code for unstageable pressure ulcer (L89.--0) should be based on the clinical documentation. These codes are used for
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026