L02.31 Cutaneous abscess of buttock

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Cutaneous abscess of gluteal region

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 L02.3 Cutaneous abscess, furuncle and carbuncle of buttock

Excludes1 (never code together)

• pilonidal cyst with abscess (L05.01)

MS-DRG index

Defines the logic of DRG(s) 573-575 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 682.5 Cellulitis and abscess of buttock (approximate)

Code annotations containing back-references to L02.31

Back-references to L02.3

• Type 2 Excludes: L02.2 Cutaneous abscess, furuncle and carbuncle of trunk ("abscess of buttocks (L02.3)")

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 L02.31

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › buttock
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › gluteal (region)

Nearby codes

• L02.234 Carbuncle of groin
• L02.235 Carbuncle of perineum
• L02.236 Carbuncle of umbilicus
• L02.239 Carbuncle of trunk, unspecified
• L02.3 Cutaneous abscess, furuncle and carbuncle of buttock
• L02.31 Cutaneous abscess of buttock (this code)
• L02.32 Furuncle of buttock
• L02.33 Carbuncle of buttock
• L02.4 Cutaneous abscess, furuncle and carbuncle of limb
• L02.41 Cutaneous abscess of limb
• L02.411 Cutaneous abscess of right axilla