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

Billable ICD-10-CM code, FY2026.

Applies from L02 Cutaneous abscess, furuncle and carbuncle

Excludes2 (not included here)

• abscess of anus and rectal regions (K61.-)
• abscess of female genital organs (external) (N76.4)
• abscess of male genital organs (external) (N48.2, N49.-)

Use additional code

• code to identify organism (B95-B96)

Applies from L02.2 Cutaneous abscess, furuncle and carbuncle of trunk

Excludes1 (never code together)

• non-newborn omphalitis (L08.82)
• omphalitis of newborn (P38.-)

Excludes2 (not included here)

• abscess of breast (N61.1)
• abscess of buttocks (L02.3)
• abscess of female external genital organs (N76.4)
• abscess of male external genital organs (N48.2, N49.-)
• abscess of hip (L02.4)

Applies from L02.22 Furuncle of trunk

Applicable to

• Boil of trunk
• Folliculitis of trunk

MS-DRG index

Defines the logic of DRG(s) 602-603 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 680.2 Carbuncle and furuncle of trunk (approximate)

Code annotations containing back-references to L02.222

Back-references to L02

• Type 2 Excludes: L89 Pressure ulcer ("skin infections (L00-L08)")
• Type 2 Excludes: L97 Non-pressure chronic ulcer of lower limb, not elsewhere classified ("skin infections (L00-L08)")
• Type 2 Excludes: L98.4 Non-pressure chronic ulcer of skin, not elsewhere classified ("skin infections (L00-L08)")
• Type 2 Excludes: L98.A Non-pressure chronic ulcer of upper limb, not elsewhere classified ("skin infections (L00-L08)")
• Use Additional: T65.84 Toxic effect of xylazine ("cutaneous abscess, furuncle and carbuncle (L02.-)")

Diagnosis Index entries for L02.222

• Furuncle › back (any part except buttock and flank)
• Furuncle › trunk › back

Nearby codes

• L02.216 Cutaneous abscess of umbilicus
• L02.217 Cutaneous abscess of flank
• L02.219 Cutaneous abscess of trunk, unspecified
• L02.22 Furuncle of trunk
• L02.221 Furuncle of abdominal wall
• L02.222 Furuncle of back [any part, except buttock and flank] (this code)
• L02.223 Furuncle of chest wall
• L02.224 Furuncle of groin
• L02.225 Furuncle of perineum
• L02.226 Furuncle of umbilicus
• L02.227 Furuncle of flank