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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  • L71—

    Rosacea

  • L71.0—

    Perioral dermatitis

  • L71.1—

    Rhinophyma

  • L71.8—

    Other rosacea

  • L71.9—

    Rosacea, unspecified

  • L72—

    Follicular cysts of skin and subcutaneous tissue

  • L72.0—

    Epidermal cyst

  • L72.1—

    Pilar and trichodermal cyst

  • L72.11—

    Pilar cyst

  • L72.12—

    Trichodermal cyst

  • L72.2—

    Steatocystoma multiplex

  • L72.3—

    Sebaceous cyst

  • L72.8—

    Other follicular cysts of the skin and subcutaneous tissue

  • L72.9—

    Follicular cyst of the skin and subcutaneous tissue, unspecified

  • L73—

    Other follicular disorders

  • L73.0—

    Acne keloid

  • L73.1—

    Pseudofolliculitis barbae

  • L73.2—

    Hidradenitis suppurativa

  • L73.8—

    Other specified follicular disorders

  • L73.9—

    Follicular disorder, unspecified

  • L74—

    Eccrine sweat disorders

  • L74.0—

    Miliaria rubra

  • L74.1—

    Miliaria crystallina

  • L74.2—

    Miliaria profunda

  • L74.3—

    Miliaria, unspecified

  • L74.4—

    Anhidrosis

  • L74.5—

    Focal hyperhidrosis

  • L74.51—

    Primary focal hyperhidrosis

  • L74.510—

    Primary focal hyperhidrosis, axilla

  • L74.511—

    Primary focal hyperhidrosis, face

  • L74.512—

    Primary focal hyperhidrosis, palms

  • L74.513—

    Primary focal hyperhidrosis, soles

  • L74.519—

    Primary focal hyperhidrosis, unspecified

  • L74.52—

    Secondary focal hyperhidrosis

  • L74.8—

    Other eccrine sweat disorders

  • L74.9—

    Eccrine sweat disorder, unspecified

  • L75—

    Apocrine sweat disorders

  • L75.0—

    Bromhidrosis

  • L75.1—

    Chromhidrosis

  • L75.2—

    Apocrine miliaria

  • L75.8—

    Other apocrine sweat disorders

  • L75.9—

    Apocrine sweat disorder, unspecified

  • L76—

    Intraoperative and postprocedural complications of skin and subcutaneous tissue

  • L76.0—

    Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating a procedure

  • L76.01—

    Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating a dermatologic procedure

  • L76.02—

    Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating other procedure

  • L76.1—

    Accidental puncture and laceration of skin and subcutaneous tissue during a procedure

  • L76.11—

    Accidental puncture and laceration of skin and subcutaneous tissue during a dermatologic procedure

  • L76.12—

    Accidental puncture and laceration of skin and subcutaneous tissue during other procedure

  • L76.2—

    Postprocedural hemorrhage of skin and subcutaneous tissue following a procedure

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