ICD-10 Diagnosis Code D23.9

Other benign neoplasm of skin, unspecified

Diagnosis Code D23.9

ICD-10: D23.9
Short Description: Other benign neoplasm of skin, unspecified
Long Description: Other benign neoplasm of skin, unspecified
This is the 2017 version of the ICD-10-CM diagnosis code D23.9

Code Classification
  • Neoplasms
    • Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
      • Other benign neoplasms of skin (D23)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code D23.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Acantholytic dyskeratotic epidermal nevus
  • Acantholytic epidermal nevus
  • Achromic nevus
  • Acquired angiokeratoma
  • Acquired digital fibrokeratoma
  • Acral pseudolymphomatous angiokeratoma of children
  • Aneurysmal histiocytoma of skin
  • Angiokeratoma circumscriptum
  • Angiokeratoma of Mibelli
  • Angiokeratoma of skin
  • Apocrine adenoma
  • Apocrine cystadenoma
  • Atrophic dermatofibroma
  • Atypical
  • Benign cutaneous vascular tumor
  • Benign epithelial neoplasm of skin
  • Benign fibrohistiocytic neoplasm of skin
  • Benign neoplasm of adnexa of skin
  • Benign neoplasm of fibrous tissue of skin
  • Benign neoplasm of nail apparatus
  • Benign neoplasm of sebaceous gland
  • Benign neoplasm of skin
  • Benign neoplasm of sweat gland
  • Benign skin tumor with apocrine differentiation
  • Benign skin tumor with eccrine differentiation
  • Benign tumor of dermis
  • Benign tumor of skin with pilar differentiation
  • Benign tumor of skin with sebaceous differentiation
  • Blue nevus of skin
  • Brooke-Spiegler syndrome
  • Cellular blue nevus of skin
  • Cellular histiocytoma of skin
  • Circumscribed hypomelanosis
  • Circumscribed storiform collagenoma
  • Clear cell acanthoma
  • Clear cell histiocytoma of skin
  • Clear cell syringoma
  • Collagen nevus of skin
  • Common blue nevus of skin
  • Connective tissue nevus of skin
  • Cutaneous leiomyoma
  • Cutaneous lymphadenoma
  • Cutaneous neurofibroma
  • Cutaneous neuroma
  • Cutaneous papillomatosis
  • Cutaneous storiform neurofibroma
  • Cutaneous T-cell pseudolymphoma
  • Cystic dermoid choristoma of skin
  • Cystic trichoblastoma
  • Dermal connective tissue hamartoma
  • Dermal nerve sheath myxoma
  • Dermal nerve sheath myxoma, cellular
  • Dermatofibroma
  • Dermatomyofibroma
  • Desmoplastic trichilemmoma
  • Desmoplastic trichoepithelioma
  • Eccrine dermal cylindroma of skin
  • Eccrine dermal duct tumor of skin
  • Eccrine epithelioma of skin
  • Eccrine hidradenoma of skin
  • Eccrine hidrocystoma of skin
  • Eccrine mixed tumor of skin
  • Eccrine papillary adenoma of skin
  • Eccrine poroma of skin
  • Eccrine spiradenoma of skin
  • Eccrine syringofibroadenoma of skin
  • Elastofibroma of skin
  • Epithelioid and spindle cell nevus
  • Eruptive collagenoma
  • Eruptive syringomata
  • Familial cutaneous collagenoma
  • Familial multiple cylindroma
  • Familial multiple pilomatrixoma
  • Familial multiple syringomata
  • Familial multiple trichoepitheliomata
  • Fibrofolliculoma
  • Fibro-osseous pseudotumor
  • Fibrous histiocytoma of skin
  • Fibrous tissue neoplasm of skin
  • Ganglioneuroma of skin
  • Generalized eruptive histiocytoma
  • Giant solitary trichoepithelioma
  • Glandular cyst
  • Granular cell histiocytoma of skin
  • Halo nevus
  • Hamartoma of apocrine sweat gland apparatus
  • Hidradenoma of skin
  • Hidroacanthoma simplex of skin
  • Hypomelanosis surrounding melanocytic neoplasm
  • Inflammatory epidermal nevus
  • Inflammatory epidermal nevus
  • Inflammatory linear verrucous epidermal nevus
  • Intraepidermal epithelioma of Jadassohn
  • Keloidal histiocytoma of skin
  • Lichenoid epidermal nevus
  • Mantleoma
  • Mixed vascular malformation
  • Multiple agminated spitz nevi
  • Multiple fibrofolliculomas
  • Multiple self-healing epithelioma of Ferguson-Smith
  • Multiple stucco keratoses
  • Myopericytoma of skin
  • Neonatal adnexal polyp
  • Neoplasm of sweat gland
  • Osteoma cutis
  • Palisaded encapsulated neuroma
  • Palisaded histiocytoma of skin
  • Papillary hidradenoma
  • Papilloma of skin
  • Perifollicular fibroma
  • Pigmented histiocytoma of skin
  • Pilar leiomyoma
  • Pilar sheath acanthoma
  • Pilomatrixoma
  • Pleomorphic fibroma
  • Reactive fibrous tissue proliferation
  • Reactive fibrous tissue proliferation
  • Reactive fibrous tissue proliferation
  • Sclerosing angioma of skin
  • Sebaceoma
  • Sebaceous adenoma of skin
  • Sebaceous epithelioma
  • Sebaceous trichofolliculoma
  • Shagreen patch
  • Skin tumor of smooth muscle origin
  • Solitary papular angiokeratoma
  • Spitz nevus with intraepidermal pagetoid spread
  • Squamous cell papilloma of skin
  • Stucco keratosis
  • Syringocystadenoma
  • Syringocystadenoma papilliferum
  • Syringoma of skin
  • Trichilemmoma
  • Trichoadenoma
  • Trichoblastoma
  • Trichodiscoma
  • Trichoepithelioma
  • Trichofolliculoma
  • Trichogerminoma
  • Tumor of follicular infundibulum
  • Tumor of skin with sebaceous differentiation
  • Tumor of skin with sebaceous differentiation
  • Verruciform xanthoma of skin
  • Winer's dilated pore

Information for Patients

Benign Tumors

Also called: Benign cancer, Benign neoplasms, Noncancerous tumors

Tumors are abnormal growths in your body. They can be either benign or malignant. Benign tumors aren't cancer. Malignant ones are. Benign tumors grow only in one place. They cannot spread or invade other parts of your body. Even so, they can be dangerous if they press on vital organs, such as your brain.

Tumors are made up of extra cells. Normally, cells grow and divide to form new cells as your body needs them. When cells grow old, they die, and new cells take their place. Sometimes, this process goes wrong. New cells form when your body does not need them, and old cells do not die when they should. These extra cells can divide without stopping and may form tumor.

Treatment often involves surgery. Benign tumors usually don't grow back.

NIH: National Cancer Institute

  • Biopsy - polyps
  • Cherry angioma

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