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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  • L89.102—

    Pressure ulcer of unspecified part of back, stage 2

  • L89.103—

    Pressure ulcer of unspecified part of back, stage 3

  • L89.104—

    Pressure ulcer of unspecified part of back, stage 4

  • L89.106—

    Pressure-induced deep tissue damage of unspecified part of back

  • L89.109—

    Pressure ulcer of unspecified part of back, unspecified stage

  • L89.110—

    Pressure ulcer of right upper back, unstageable

  • L89.111—

    Pressure ulcer of right upper back, stage 1

  • L89.112—

    Pressure ulcer of right upper back, stage 2

  • L89.113—

    Pressure ulcer of right upper back, stage 3

  • L89.114—

    Pressure ulcer of right upper back, stage 4

  • L89.116—

    Pressure-induced deep tissue damage of right upper back

  • L89.119—

    Pressure ulcer of right upper back, unspecified stage

  • L89.120—

    Pressure ulcer of left upper back, unstageable

  • L89.121—

    Pressure ulcer of left upper back, stage 1

  • L89.122—

    Pressure ulcer of left upper back, stage 2

  • L89.123—

    Pressure ulcer of left upper back, stage 3

  • L89.124—

    Pressure ulcer of left upper back, stage 4

  • L89.126—

    Pressure-induced deep tissue damage of left upper back

  • L89.129—

    Pressure ulcer of left upper back, unspecified stage

  • L89.130—

    Pressure ulcer of right lower back, unstageable

  • L89.131—

    Pressure ulcer of right lower back, stage 1

  • L89.132—

    Pressure ulcer of right lower back, stage 2

  • L89.133—

    Pressure ulcer of right lower back, stage 3

  • L89.134—

    Pressure ulcer of right lower back, stage 4

  • L89.136—

    Pressure-induced deep tissue damage of right lower back

  • L89.139—

    Pressure ulcer of right lower back, unspecified stage

  • L89.140—

    Pressure ulcer of left lower back, unstageable

  • L89.141—

    Pressure ulcer of left lower back, stage 1

  • L89.142—

    Pressure ulcer of left lower back, stage 2

  • L89.143—

    Pressure ulcer of left lower back, stage 3

  • L89.144—

    Pressure ulcer of left lower back, stage 4

  • L89.146—

    Pressure-induced deep tissue damage of left lower back

  • L89.149—

    Pressure ulcer of left lower back, unspecified stage

  • L89.150—

    Pressure ulcer of sacral region, unstageable

  • L89.151—

    Pressure ulcer of sacral region, stage 1

  • L89.152—

    Pressure ulcer of sacral region, stage 2

  • L89.153—

    Pressure ulcer of sacral region, stage 3

  • L89.154—

    Pressure ulcer of sacral region, stage 4

  • L89.156—

    Pressure-induced deep tissue damage of sacral region

  • L89.159—

    Pressure ulcer of sacral region, unspecified stage

  • L89.200—

    Pressure ulcer of unspecified hip, unstageable

  • L89.201—

    Pressure ulcer of unspecified hip, stage 1

  • L89.202—

    Pressure ulcer of unspecified hip, stage 2

  • L89.203—

    Pressure ulcer of unspecified hip, stage 3

  • L89.204—

    Pressure ulcer of unspecified hip, stage 4

  • L89.206—

    Pressure-induced deep tissue damage of unspecified hip

  • L89.209—

    Pressure ulcer of unspecified hip, unspecified stage

  • L89.210—

    Pressure ulcer of right hip, unstageable

  • L89.211—

    Pressure ulcer of right hip, stage 1

  • L89.212—

    Pressure ulcer of right hip, stage 2

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