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Free Medical Coding > ICD10 CM > 2025 ICD-10-CM Codes > 2025 ICD-10-CM Codes C00-D49 – Neoplasms (C00-D49) > 2025 ICD-10-CM Codes D00-D09 – In situ neoplasms (D00-D09) > 2025 ICD-10-CM Codes D03 – Melanoma in situ (D03) > 2025 ICD-10-CM Codes D03.5 – Melanoma in situ of trunk (D03.5) > 2025 ICD-10-CM Diagnosis Code D03.51 – Melanoma in situ of anal skin (D03.51)

2025 ICD-10-CM Diagnosis Code D03.51 – Melanoma in situ of anal skin (D03.51)

2016201720182019202020212022202320242025Billable/Specific Code
  • D03.51 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM D03.51 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of D03.51 – other international versions of ICD-10 D03.51 may differ.

ICD-10-CM D03.51 is grouped within Diagnostic Related Group(s):

  • 595 Major skin disorders with mcc
  • 596 Major skin disorders without mcc

Applicable To

  • Melanoma in situ of anal margin
  • Melanoma in situ of perianal skin

Code History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2016 (effective 10/1/2015): No change
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Diagnosis Index entries containing back-references to D03.51:

  • anus, anal (margin) (skin) > in situ D03.9
  • perianal skin > in situ D03.9
  • perineum > in situ D03.9

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