All ICD10 Codes
Chapter 12

L00–L99: Diseases of the Skin and Subcutaneous Tissue

Diseases of the Skin and Subcutaneous Tissue diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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.-)
All CodesBillable Only
Internal Codes
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  • L02.425|

    Furuncle of right lower limb

  • L02.426|

    Furuncle of left lower limb

  • L02.429|

    Furuncle of limb, unspecified

  • 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

  • L02.439|

    Carbuncle of limb, unspecified

  • L02.511|

    Cutaneous abscess of right hand

  • L02.512|

    Cutaneous abscess of left hand

  • L02.519|

    Cutaneous abscess of unspecified hand

  • L02.521|

    Furuncle right hand

  • L02.522|

    Furuncle left hand

  • L02.529|

    Furuncle unspecified hand

  • L02.531|

    Carbuncle of right hand

  • L02.532|

    Carbuncle of left hand

  • L02.539|

    Carbuncle of unspecified hand

  • L02.611|

    Cutaneous abscess of right foot

  • L02.612|

    Cutaneous abscess of left foot

  • L02.619|

    Cutaneous abscess of unspecified foot

  • L02.621|

    Furuncle of right foot

  • L02.622|

    Furuncle of left foot

  • L02.629|

    Furuncle of unspecified foot

  • L02.631|

    Carbuncle of right foot

  • L02.632|

    Carbuncle of left foot

  • L02.639|

    Carbuncle of unspecified foot

  • L02.811|

    Cutaneous abscess of head [any part, except face]

  • L02.818|

    Cutaneous abscess of other sites

  • L02.821|

    Furuncle of head [any part, except face]

  • L02.828|

    Furuncle of other sites

  • L02.831|

    Carbuncle of head [any part, except face]

  • L02.838|

    Carbuncle of other sites

  • L02.91|

    Cutaneous abscess, unspecified

  • L02.92|

    Furuncle, unspecified

  • L02.93|

    Carbuncle, unspecified

  • L03.011|

    Cellulitis of right finger

  • L03.012|

    Cellulitis of left finger

  • L03.019|

    Cellulitis of unspecified finger

  • L03.021|

    Acute lymphangitis of right finger

  • L03.022|

    Acute lymphangitis of left finger

  • L03.029|

    Acute lymphangitis of unspecified finger

  • L03.031|

    Cellulitis of right toe

  • L03.032|

    Cellulitis of left toe

  • L03.039|

    Cellulitis of unspecified toe

  • L03.041|

    Acute lymphangitis of right toe

  • L03.042|

    Acute lymphangitis of left toe

  • L03.049|

    Acute lymphangitis of unspecified toe

  • L03.111|

    Cellulitis of right axilla

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