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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  • L89.309—

    Pressure ulcer of unspecified buttock, unspecified stage

  • L89.31—

    Pressure ulcer of right buttock

  • L89.310—

    Pressure ulcer of right buttock, unstageable

  • L89.311—

    Pressure ulcer of right buttock, stage 1

  • L89.312—

    Pressure ulcer of right buttock, stage 2

  • L89.313—

    Pressure ulcer of right buttock, stage 3

  • L89.314—

    Pressure ulcer of right buttock, stage 4

  • L89.316—

    Pressure-induced deep tissue damage of right buttock

  • L89.319—

    Pressure ulcer of right buttock, unspecified stage

  • L89.32—

    Pressure ulcer of left buttock

  • L89.320—

    Pressure ulcer of left buttock, unstageable

  • L89.321—

    Pressure ulcer of left buttock, stage 1

  • L89.322—

    Pressure ulcer of left buttock, stage 2

  • L89.323—

    Pressure ulcer of left buttock, stage 3

  • L89.324—

    Pressure ulcer of left buttock, stage 4

  • L89.326—

    Pressure-induced deep tissue damage of left buttock

  • L89.329—

    Pressure ulcer of left buttock, unspecified stage

  • L89.4—

    Pressure ulcer of contiguous site of back, buttock and hip

  • L89.40—

    Pressure ulcer of contiguous site of back, buttock and hip, unspecified stage

  • L89.41—

    Pressure ulcer of contiguous site of back, buttock and hip, stage 1

  • L89.42—

    Pressure ulcer of contiguous site of back, buttock and hip, stage 2

  • L89.43—

    Pressure ulcer of contiguous site of back, buttock and hip, stage 3

  • L89.44—

    Pressure ulcer of contiguous site of back, buttock and hip, stage 4

  • L89.45—

    Pressure ulcer of contiguous site of back, buttock and hip, unstageable

  • L89.46—

    Pressure-induced deep tissue damage of contiguous site of back, buttock and hip

  • L89.5—

    Pressure ulcer of ankle

  • L89.50—

    Pressure ulcer of unspecified ankle

  • L89.500—

    Pressure ulcer of unspecified ankle, unstageable

  • L89.501—

    Pressure ulcer of unspecified ankle, stage 1

  • L89.502—

    Pressure ulcer of unspecified ankle, stage 2

  • L89.503—

    Pressure ulcer of unspecified ankle, stage 3

  • L89.504—

    Pressure ulcer of unspecified ankle, stage 4

  • L89.506—

    Pressure-induced deep tissue damage of unspecified ankle

  • L89.509—

    Pressure ulcer of unspecified ankle, unspecified stage

  • L89.51—

    Pressure ulcer of right ankle

  • L89.510—

    Pressure ulcer of right ankle, unstageable

  • L89.511—

    Pressure ulcer of right ankle, stage 1

  • L89.512—

    Pressure ulcer of right ankle, stage 2

  • L89.513—

    Pressure ulcer of right ankle, stage 3

  • L89.514—

    Pressure ulcer of right ankle, stage 4

  • L89.516—

    Pressure-induced deep tissue damage of right ankle

  • L89.519—

    Pressure ulcer of right ankle, unspecified stage

  • L89.52—

    Pressure ulcer of left ankle

  • L89.520—

    Pressure ulcer of left ankle, unstageable

  • L89.521—

    Pressure ulcer of left ankle, stage 1

  • L89.522—

    Pressure ulcer of left ankle, stage 2

  • L89.523—

    Pressure ulcer of left ankle, stage 3

  • L89.524—

    Pressure ulcer of left ankle, stage 4

  • L89.526—

    Pressure-induced deep tissue damage of left ankle

  • L89.529—

    Pressure ulcer of left ankle, unspecified stage

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