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