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
PrevNext
  • L81.0—

    Postinflammatory hyperpigmentation

  • L81.1—

    Chloasma

  • L81.2—

    Freckles

  • L81.3—

    Café au lait spots

  • L81.4—

    Other melanin hyperpigmentation

  • L81.5—

    Leukoderma, not elsewhere classified

  • L81.6—

    Other disorders of diminished melanin formation

  • L81.7—

    Pigmented purpuric dermatosis

  • L81.8—

    Other specified disorders of pigmentation

  • L81.9—

    Disorder of pigmentation, unspecified

  • L82.0—

    Inflamed seborrheic keratosis

  • L82.1—

    Other seborrheic keratosis

  • L83—

    Acanthosis nigricans

  • L84—

    Corns and callosities

  • L85.0—

    Acquired ichthyosis

  • L85.1—

    Acquired keratosis [keratoderma] palmaris et plantaris

  • L85.2—

    Keratosis punctata (palmaris et plantaris)

  • L85.3—

    Xerosis cutis

  • L85.8—

    Other specified epidermal thickening

  • L85.9—

    Epidermal thickening, unspecified

  • L86—

    Keratoderma in diseases classified elsewhere

  • L87.0—

    Keratosis follicularis et parafollicularis in cutem penetrans

  • L87.1—

    Reactive perforating collagenosis

  • L87.2—

    Elastosis perforans serpiginosa

  • L87.8—

    Other transepidermal elimination disorders

  • L87.9—

    Transepidermal elimination disorder, unspecified

  • L88—

    Pyoderma gangrenosum

  • L89.000—

    Pressure ulcer of unspecified elbow, unstageable

  • L89.001—

    Pressure ulcer of unspecified elbow, stage 1

  • L89.002—

    Pressure ulcer of unspecified elbow, stage 2

  • L89.003—

    Pressure ulcer of unspecified elbow, stage 3

  • L89.004—

    Pressure ulcer of unspecified elbow, stage 4

  • L89.006—

    Pressure-induced deep tissue damage of unspecified elbow

  • L89.009—

    Pressure ulcer of unspecified elbow, unspecified stage

  • L89.010—

    Pressure ulcer of right elbow, unstageable

  • L89.011—

    Pressure ulcer of right elbow, stage 1

  • L89.012—

    Pressure ulcer of right elbow, stage 2

  • L89.013—

    Pressure ulcer of right elbow, stage 3

  • L89.014—

    Pressure ulcer of right elbow, stage 4

  • L89.016—

    Pressure-induced deep tissue damage of right elbow

  • L89.019—

    Pressure ulcer of right elbow, unspecified stage

  • L89.020—

    Pressure ulcer of left elbow, unstageable

  • L89.021—

    Pressure ulcer of left elbow, stage 1

  • L89.022—

    Pressure ulcer of left elbow, stage 2

  • L89.023—

    Pressure ulcer of left elbow, stage 3

  • L89.024—

    Pressure ulcer of left elbow, stage 4

  • L89.026—

    Pressure-induced deep tissue damage of left elbow

  • L89.029—

    Pressure ulcer of left elbow, unspecified stage

  • L89.100—

    Pressure ulcer of unspecified part of back, unstageable

  • L89.101—

    Pressure ulcer of unspecified part of back, stage 1

PreviousPage 10 of 20Next