ICD-10-CM 2027
ICD-10 code for flank carbuncle
From the official ICD-10-CM alphabetic index entry “Carbuncle › flank”. Page updated September 29, 2026.
About coding flank carbuncle
The ICD-10-CM code for flank carbuncle is L02.237 (Carbuncle of flank).
Within L02.23 (carbuncle of trunk), L02.237 is specifically for carbuncle of flank. Related codes cover abdominal wall (L02.231), back [any part, except buttock and flank] (L02.232), chest wall (L02.233), groin (L02.234), perineum (L02.235), umbilicus (L02.236) and unspecified (L02.239).
Use an additional code to identify organism (B95-B96).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about flank carbuncle ICD-10 codes
What is the ICD-10 code for flank carbuncle?
- L02.237 — Carbuncle of flank.
Is L02.237 billable?
- Yes. L02.237 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can L02.237 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict L02.237 as a principal diagnosis.
Is L02.237 a CC or MCC?
- No. L02.237 is neither a CC nor an MCC under MS-DRG v44.0.