2023

  1. ICD-10-CM Codes
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  2. C00-D49
    3. ›
  3. D10-D36
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  4. D12-
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  5. 2023 ICD-10-CM Diagnosis Code D12.4

2023 ICD-10-CM Diagnosis Code D12.4

Benign neoplasm of descending colon

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • D12.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM D12.4 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of D12.4 - other international versions of ICD-10 D12.4 may differ.
The following code(s) above D12.4 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to D12.4:
  • C00-D49
    2023 ICD-10-CM Range C00-D49

    Neoplasms

    Note
    • Functional activity
    • All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
    • Morphology [Histology]
    • Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
    • Primary malignant neoplasms overlapping site boundaries
    • A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
    • Malignant neoplasm of ectopic tissue
    • Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
    Neoplasms
  • D12
    ICD-10-CM Diagnosis Code D12

    Benign neoplasm of colon, rectum, anus and anal canal

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • benign carcinoid tumors of the large intestine, and rectum (D3A.02-)
    • polyp of colon NOS (K63.5)
    Benign neoplasm of colon, rectum, anus and anal canal
Approximate Synonyms
  • Benign neoplasm, descending colon
ICD-10-CM D12.4 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 393 Other digestive system diagnoses with mcc
  • 394 Other digestive system diagnoses with cc
  • 395 Other digestive system diagnoses without cc/mcc

Convert D12.4 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 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

Diagnosis Index entries containing back-references to D12.4:
  • Polyp, polypus
    • colon K63.5
      ICD-10-CM Diagnosis Code K63.5

      Polyp of colon

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Type 1 Excludes
      • adenomatous polyp of colon (D12.-)
      • inflammatory polyp of colon (K51.4-)
      • polyposis of colon (D12.6)
      • adenomatous D12.6
        ICD-10-CM Diagnosis Code D12.6

        Benign neoplasm of colon, unspecified

          2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
        Applicable To
        • Adenomatosis of colon
        • Benign neoplasm of large intestine NOS
        • Polyposis (hereditary) of colon
        Type 1 Excludes
        • inflammatory polyp of colon (K51.4-)
        • descending D12.4

ICD-10-CM Codes Adjacent To D12.4
D10.9 Benign neoplasm of pharynx, unspecified
D11 Benign neoplasm of major salivary glands
D11.0 Benign neoplasm of parotid gland
D11.7 Benign neoplasm of other major salivary glands
D11.9 Benign neoplasm of major salivary gland, unspecified
D12 Benign neoplasm of colon, rectum, anus and anal canal
D12.0 Benign neoplasm of cecum
D12.1 Benign neoplasm of appendix
D12.2 Benign neoplasm of ascending colon
D12.3 Benign neoplasm of transverse colon
D12.4 Benign neoplasm of descending colon
D12.5 Benign neoplasm of sigmoid colon
D12.6 Benign neoplasm of colon, unspecified
D12.7 Benign neoplasm of rectosigmoid junction
D12.8 Benign neoplasm of rectum
D12.9 Benign neoplasm of anus and anal canal
D13 Benign neoplasm of other and ill-defined parts of digestive system
D13.0 Benign neoplasm of esophagus
D13.1 Benign neoplasm of stomach
D13.2 Benign neoplasm of duodenum
D13.3 Benign neoplasm of other and unspecified parts of small intestine

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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