Alphabetic Index FY2027

L02.23

Carbuncle of trunk

FY2027Chapter 12: Diseases of the skin and subcutaneous tissue/L00–L08 Infections of the skin and subcutaneous tissue

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

L02.23 is a non-billable ICD-10-CM code header for carbuncle of trunk. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are L02.231 Carbuncle of abdominal wall; L02.232 Carbuncle of back [any part, except buttock and flank]; L02.233 Carbuncle of chest wall; L02.234 Carbuncle of groin and 4 more. Its coding notes include a Use additional code instruction, 2 Excludes1 entries and 31 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

Inherited from L02 Cutaneous abscess, furuncle and carbuncle
  • code to identify organism (B95-B96)
Also from chapter/block level (1 note)
Inherited from L00–L08 Infections of the skin and subcutaneous tissue
  • code (B95-B97) to identify infectious agent.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from L02.2 Cutaneous abscess, furuncle and carbuncle of trunk
  • non-newborn omphalitis (L08.82)
  • omphalitis of newborn (P38.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from L02.2 Cutaneous abscess, furuncle and carbuncle of trunk
  • abscess of breast (N61.1)
  • abscess of buttocks (L02.31)
  • abscess of female external genital organs (N76.4)
  • abscess of male external genital organs (N48.2, N49.-)
  • abscess of hip (L02.4)
Inherited from L02 Cutaneous abscess, furuncle and carbuncle
  • abscess of anus and rectal regions (K61.-)
  • abscess of female genital organs (external) (N76.4)
  • abscess of male genital organs (external) (N48.2, N49.-)
Also from chapter/block level (23 notes)
Inherited from L00–L08 Infections of the skin and subcutaneous tissue
  • hordeolum (H00.0)
  • infective dermatitis (L30.3)
  • local infections of skin classified in Chapter 1
  • lupus panniculitis (L93.2)
  • panniculitis NOS (M79.3)
  • panniculitis of neck and back (M54.0-)
  • Perlèche NOS (K13.0)
  • Perlèche due to candidiasis (B37.0)
  • Perlèche due to riboflavin deficiency (E53.0)
  • pyogenic granuloma (L98.0)
  • relapsing panniculitis [Weber-Christian] (M35.6)
  • viral warts (B07.-)
  • zoster (B02.-)
Inherited from Chapter 12 Diseases of the skin and subcutaneous tissue
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

More specific codes under L02.23 8