Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for back furuncle

L02.222

Furuncle of back [any part, except buttock and flank]

✓ Billable / specific

From the official ICD-10-CM alphabetic index entry “Furuncle › back (any part except buttock and flank)”. Page updated September 29, 2026.

About coding back furuncle

The ICD-10-CM code for back furuncle is L02.222 (Furuncle of back [any part, except buttock and flank]).

Within L02.22 (furuncle of trunk), L02.222 is specifically for furuncle of back [any part, except buttock and flank]. Related codes cover abdominal wall (L02.221), chest wall (L02.223), groin (L02.224), perineum (L02.225), umbilicus (L02.226), flank (L02.227) and unspecified (L02.229).

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 back furuncle ICD-10 codes

What is the ICD-10 code for back furuncle?

L02.222 — Furuncle of back [any part, except buttock and flank].

Is L02.222 billable?

Yes. L02.222 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can L02.222 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict L02.222 as a principal diagnosis.

Is L02.222 a CC or MCC?

No. L02.222 is neither a CC nor an MCC under MS-DRG v44.0.