ICD-10-CM 2027
ICD-10 code for flank abscess
From the official ICD-10-CM alphabetic index entry “Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › flank”. Page updated September 29, 2026.
About coding flank abscess
The ICD-10-CM code for flank abscess is L02.217 (Cutaneous abscess of flank).
Within L02.21 (cutaneous abscess of trunk), L02.217 is specifically for cutaneous abscess of flank. Related codes cover abdominal wall (L02.211), back [any part, except buttock and flank] (L02.212), chest wall (L02.213), groin (L02.214), perineum (L02.215), umbilicus (L02.216) and unspecified (L02.219).
Use an additional code to identify organism (B95-B96).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Common questions about flank abscess ICD-10 codes
What is the ICD-10 code for flank abscess?
- L02.217 — Cutaneous abscess of flank.
Is L02.217 billable?
- Yes. L02.217 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can L02.217 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict L02.217 as a principal diagnosis.
Is L02.217 a CC or MCC?
- L02.217 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.