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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  • L02.8—

    Cutaneous abscess, furuncle and carbuncle of other sites

  • L02.81—

    Cutaneous abscess of other sites

  • L02.811—

    Cutaneous abscess of head [any part, except face]

  • L02.818—

    Cutaneous abscess of other sites

  • L02.82—

    Furuncle of other sites

  • L02.821—

    Furuncle of head [any part, except face]

  • L02.828—

    Furuncle of other sites

  • L02.83—

    Carbuncle of other sites

  • L02.831—

    Carbuncle of head [any part, except face]

  • L02.838—

    Carbuncle of other sites

  • L02.9—

    Cutaneous abscess, furuncle and carbuncle, unspecified

  • L02.91—

    Cutaneous abscess, unspecified

  • L02.92—

    Furuncle, unspecified

  • L02.93—

    Carbuncle, unspecified

  • L03—

    Cellulitis and acute lymphangitis

  • L03.0—

    Cellulitis and acute lymphangitis of finger and toe

  • L03.01—

    Cellulitis of finger

  • L03.011—

    Cellulitis of right finger

  • L03.012—

    Cellulitis of left finger

  • L03.019—

    Cellulitis of unspecified finger

  • L03.02—

    Acute lymphangitis of finger

  • L03.021—

    Acute lymphangitis of right finger

  • L03.022—

    Acute lymphangitis of left finger

  • L03.029—

    Acute lymphangitis of unspecified finger

  • L03.03—

    Cellulitis of toe

  • L03.031—

    Cellulitis of right toe

  • L03.032—

    Cellulitis of left toe

  • L03.039—

    Cellulitis of unspecified toe

  • L03.04—

    Acute lymphangitis of toe

  • L03.041—

    Acute lymphangitis of right toe

  • L03.042—

    Acute lymphangitis of left toe

  • L03.049—

    Acute lymphangitis of unspecified toe

  • L03.1—

    Cellulitis and acute lymphangitis of other parts of limb

  • L03.11—

    Cellulitis of other parts of limb

  • L03.111—

    Cellulitis of right axilla

  • L03.112—

    Cellulitis of left axilla

  • L03.113—

    Cellulitis of right upper limb

  • L03.114—

    Cellulitis of left upper limb

  • L03.115—

    Cellulitis of right lower limb

  • L03.116—

    Cellulitis of left lower limb

  • L03.119—

    Cellulitis of unspecified part of limb

  • L03.12—

    Acute lymphangitis of other parts of limb

  • L03.121—

    Acute lymphangitis of right axilla

  • L03.122—

    Acute lymphangitis of left axilla

  • L03.123—

    Acute lymphangitis of right upper limb

  • L03.124—

    Acute lymphangitis of left upper limb

  • L03.125—

    Acute lymphangitis of right lower limb

  • L03.126—

    Acute lymphangitis of left lower limb

  • L03.129—

    Acute lymphangitis of unspecified part of limb

  • L03.2—

    Cellulitis and acute lymphangitis of face and neck

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