`L02.436` Carbuncle of left lower limb

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 L02.4 Cutaneous abscess, furuncle and carbuncle of limb

Excludes2 (not included here)

Cutaneous abscess, furuncle and carbuncle of groin (L02.214, L02.224, L02.234)
Cutaneous abscess, furuncle and carbuncle of hand (L02.5-)
Cutaneous abscess, furuncle and carbuncle of foot (L02.6-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

680.6 Carbuncle and furuncle of leg, except foot (approximate)

Code annotations containing back-references to L02.436

Back-references to L02.4

Type 2 Excludes: L02.2 Cutaneous abscess, furuncle and carbuncle of trunk ("abscess of hip (L02.4)")

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

L02.431 Carbuncle of right axilla
L02.432 Carbuncle of left axilla
L02.433 Carbuncle of right upper limb
L02.434 Carbuncle of left upper limb
L02.435 Carbuncle of right lower limb
L02.436 Carbuncle of left lower limb (this code)
L02.439 Carbuncle of limb, unspecified
L02.5 Cutaneous abscess, furuncle and carbuncle of hand
L02.51 Cutaneous abscess of hand
L02.511 Cutaneous abscess of right hand
L02.512 Cutaneous abscess of left hand