2023 ICD-10-CM Diagnosis Code D23.9

Other benign neoplasm of skin, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • D23.9 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 D23.9 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of D23.9 - other international versions of ICD-10 D23.9 may differ.
The following code(s) above D23.9 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 D23.9:
  • C00-D49
    2023 ICD-10-CM Range C00-D49


    • 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).
  • D23
    ICD-10-CM Diagnosis Code D23

    Other benign neoplasms of skin

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    • benign neoplasm of hair follicles
    • benign neoplasm of sebaceous glands
    • benign neoplasm of sweat glands
    Type 1 Excludes
    Type 2 Excludes
    Other benign neoplasms of skin
Approximate Synonyms
  • Adenoma of skin, sebaceous
  • Angiokeratoma
  • Angiokeratoma of skin
  • Apocrine cystadenoma
  • Apocrine hydrocystoma
  • Benign collagenoma
  • Benign fibrous histiocytoma
  • Benign neoplasm of skin
  • Benign neoplasm, trichoepithelioma
  • Blue nevus of skin
  • Collagen nevus of skin
  • Cutaneous neurofibroma
  • Dermatofibroma
  • Dysplastic nevus of skin
  • Eccrine hidrocystoma
  • Eccrine hydrocystoma
  • Epithelioid and spindle cell nevus
  • Fibrous histiocytoma of skin
  • Halo nevus
  • Hidradenoma, papillary
  • Muir torre syndrome w benign sebaceous neoplasm
  • Multiple dysplastic nevi
  • Neurofibroma, dermal
  • Nevus of skin, dysplastic
  • Nevus of skin, dysplastic (birthmark or mole)
  • Nevus, spindle and epithelioid
  • Papillary hidradenoma
  • Pilomatrixoma
  • Sebaceous adenoma of skin
  • Syringoma
  • Torr?-muir syndrome with benign sebaceous neoplasm
  • Torrù-muir syndrome with benign sebaceous neoplasm
  • Trichoepithelioma
ICD-10-CM D23.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc

Convert D23.9 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 D23.9:

ICD-10-CM Codes Adjacent To D23.9
D23.4 Other benign neoplasm of skin of scalp and neck
D23.5 Other benign neoplasm of skin of trunk
D23.6 Other benign neoplasm of skin of upper limb, including shoulder
D23.60 Other benign neoplasm of skin of unspecified upper limb, including shoulder
D23.61 Other benign neoplasm of skin of right upper limb, including shoulder
D23.62 Other benign neoplasm of skin of left upper limb, including shoulder
D23.7 Other benign neoplasm of skin of lower limb, including hip
D23.70 Other benign neoplasm of skin of unspecified lower limb, including hip
D23.71 Other benign neoplasm of skin of right lower limb, including hip
D23.72 Other benign neoplasm of skin of left lower limb, including hip
D23.9 Other benign neoplasm of skin, unspecified
D24 Benign neoplasm of breast
D24.1 Benign neoplasm of right breast
D24.2 Benign neoplasm of left breast
D24.9 Benign neoplasm of unspecified breast
D25 Leiomyoma of uterus
D25.0 Submucous leiomyoma of uterus
D25.1 Intramural leiomyoma of uterus
D25.2 Subserosal leiomyoma of uterus
D25.9 Leiomyoma of uterus, unspecified
D26 Other benign neoplasms of uterus

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