L02.521 Furuncle right hand

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 L02.52 Furuncle hand

Applicable to

• Boil of hand
• Folliculitis of hand

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 680.4 Carbuncle and furuncle of hand (approximate)

Code annotations containing back-references to L02.521

Back-references to L02.5

• Type 2 Excludes: L02.4 Cutaneous abscess, furuncle and carbuncle of limb ("Cutaneous abscess, furuncle and carbuncle of hand (L02.5-)")

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.-)")

Nearby codes

• L02.51 Cutaneous abscess of hand
• L02.511 Cutaneous abscess of right hand
• L02.512 Cutaneous abscess of left hand
• L02.519 Cutaneous abscess of unspecified hand
• L02.52 Furuncle hand
• L02.521 Furuncle right hand (this code)
• L02.522 Furuncle left hand
• L02.529 Furuncle unspecified hand
• L02.53 Carbuncle of hand
• L02.531 Carbuncle of right hand
• L02.532 Carbuncle of left hand