C44.99
BillableOther specified malignant neoplasm of skin, unspecified
Other specified malignant neoplasm of skin, unspecified
Coding Notes
Includes
Conditions included under this code
- malignant neoplasm of sebaceous glands
- malignant neoplasm of sweat glands
Also Known As / Clinical Terms
SNOMED CT
- Primary malignant neoplasm of sebaceous gland94000008
- Primary malignant neoplasm of sweat gland94081005
- Metastatic malignant neoplasm of adnexa of skin94159002
- Metastatic malignant neoplasm to adnexa of skin94159002
- Secondary malignant neoplasm of adnexa of skin94159002
- Metastatic malignant neoplasm of conjunctiva94263002
- Metastatic malignant neoplasm to conjunctiva94263002
- Secondary malignant neoplasm of conjunctiva94263002
- Metastatic malignant neoplasm of sebaceous gland94532000
- Metastatic malignant neoplasm to sebaceous gland94532000
- Secondary malignant neoplasm of sebaceous gland94532000
- Sebaceous adenocarcinoma of eyelid231833004
- Myxoid dermatofibrosarcoma253042009
- Myxoid dermatofibrosarcoma protuberans253042009
- Myxoid malignant fibrous histiocytoma253042009
- BCC - Metatypical basal cell carcinoma of skin254702000
- Basosquamous carcinoma of skin254702000
- Metatypical basal cell carcinoma of skin254702000
- Eccrine porocarcinoma254708001
- Eccrine porocarcinoma of skin254708001
- Digital papillary adenocarcinoma254709009
- Digital papillary eccrine carcinoma of skin254709009
- Papillary digital eccrine carcinoma254709009
- Sweat gland adenocarcinoma254709009
- Basal cell carcinoma with eccrine differentiation254710004
- Adenoid cystic eccrine carcinoma of skin254711000
- Malignant syringoma254712007
- Microcystic adnexal carcinoma254712007
- Microcystic adnexal carcinoma of skin254712007
- Sclerosing sweat duct carcinoma254712007
- Syringoid eccrine carcinoma254712007
- Syringomatous sweat duct carcinoma254712007
- Mucoepidermal eccrine carcinoma254713002
- Mucoepidermoid carcinoma of skin254713002
- Mucinous eccrine carcinoma of skin254714008
- Malignant skin tumor with apocrine differentiation254726003
- Malignant skin tumour with apocrine differentiation254726003
- Extramammary Paget disease of skin254727007
- Extramammary Paget's disease of skin254727007
- Extramammary Pagets disease of skin254727007
- Cutaneous fibrosarcoma254748009
- PNE - Peripheral neuroepithelioma254764001
- Peripheral neuroblastoma254764001
- Peripheral neuroepithelioma254764001
- Angiosarcoma of skin254794007
- Malignant haemangiopericytoma of skin254797000
- Malignant hemangiopericytoma of skin254797000
- Epithelioid cell sarcoma of skin254800003
- Epithelioid sarcoma of Enzinger254800003
- Epithelioid sarcoma of skin254800003
- Localised malignant reticulohistiocytoma255191003
- Localized malignant reticulohistiocytoma255191003
- Primary cutaneous signet ring cell carcinoma276738009
- Primary signet ring cell carcinoma of skin276738009
- Malignant neoplasm of skin with pilar differentiation276750003
- Malignant tumor of skin with pilar differentiation276750003
- Malignant tumour of skin with pilar differentiation276750003
- DFSP - dermatofibrosarcoma protuberans276799004
- Dermatofibrosarcoma276799004
- Dermatofibrosarcoma protuberans276799004
- Carcinoma of sebaceous gland307599002
- Sebaceous adenocarcinoma307599002
- Sebaceous carcinoma307599002
- Pilomatrix carcinoma of skin307610008
- Bednar tumor398670003
- Bednar tumour398670003
- Pigmented dermatofibrosarcoma398670003
- Pigmented dermatofibrosarcoma protuberans of skin398670003
- Pigmented storiform neurofibroma398670003
- Pleomorphic malignant fibrous histiocytoma of skin398903003
- Eccrine carcinoma of skin400173004
- Myxofibrosarcoma of skin400175006
- Myxoid malignant fibrous histiocytoma of skin400175006
- Metastatic basal cell carcinoma402537005
- Malignant fibrohistiocytic tumor of skin402873007
- Malignant fibrohistiocytic tumour of skin402873007
- Muir-Torré syndrome403824007
- Torre-Muir syndrome403824007
- Torré-Muir syndrome403824007
- Trichilemmal carcinoma403929003
- Anaplastic syringoma403939009
- Carcinoma simplex403939009
- Eccrine ductal carcinoma403939009
- Eccrine ductal carcinoma of skin403939009
- Malignant acrospiroma403939009
- Malignant eccrine acrospiroma403939009
- Clear cell eccrine hidradenocarcinoma403940006
- Clear cell eccrine hidradenocarcinoma of skin403940006
- Malignant cylindroma403941005
- Malignant cylindroma of skin403941005
- Malignant dermal cylindroma403941005
- Eccrine spiradenocarcinoma403942003
- Malignant eccrine spiradenoma403942003
- Malignant eccrine spiradenoma of skin403942003
- Malignant spiradenoma403942003
- Eccrine mixed tumor, malignant403943008
- Eccrine mixed tumour, malignant403943008
- Malignant chondroid syringoma403943008
- Malignant chondroid syringoma of skin403943008
- Malignant mixed tumor of the skin403943008
- Malignant mixed tumour of the skin403943008
- Small cell eccrine carcinoma403944002
- Small cell eccrine carcinoma of skin403944002
- Apocrine adenocarcinoma of skin403949007
- Lymphoepithelial tumor of skin403952004
- Lymphoepithelial tumour of skin403952004
- Lymphoepithelioma-like carcinoma of skin403952004
- Mixed eccrine/pilar adnexal carcinoma of skin403954003
- Undifferentiated adnexal carcinoma of skin403955002
- Infantile fibrosarcoma403996004
- Malignant infantile fibrosarcoma403996004
- Dermatofibrosarcoma protuberans with myoid differentiation404008001
- Dermatofibrosarcoma protuberans with granular cell change404009009
- Dermatofibrosarcoma protuberans with giant cell fibroblastoma404010004
- Giant cell fibroblastoma with dermatofibrosarcoma protuberans404010004
- Superficial malignant fibrous histiocytoma of skin404015009
- Giant cell malignant fibrous histiocytoma of skin404016005
- Inflammatory malignant fibrous histiocytoma of skin404017001
- Carcinosarcoma of skin404087009
- Primary adnexal carcinoma of skin721540005
- Primary cutaneous sarcoma721541009
- Primary malignant sarcoma of skin721541009
- Primary myxofibrosarcoma723076008
- Epithelioid sarcoma782827000
- Metastatic basosquamous cell carcinoma of skin1254755004
- Metastatic basosquamous cell carcinoma to skin1254755004
- Secondary basosquamous cell carcinoma of skin1254755004
- Primary mucoepidermoid carcinoma of skin1259251005
- Primary mucinous eccrine carcinoma of skin1259260002
- Primary cutaneous fibrosarcoma1259381000
- Primary epithelioid cell sarcoma of skin1259382007
- Primary epithelioid sarcoma of Enzinger1259382007
- Primary epithelioid sarcoma of skin1259382007
- Primary carcinoma of sebaceous gland1259416004
- Primary sebaceous adenocarcinoma1259416004
- Primary sebaceous carcinoma1259416004
- Primary anaplastic syringoma1259567003
- Primary carcinoma simplex1259567003
- Primary eccrine ductal carcinoma1259567003
- Primary eccrine ductal carcinoma of skin1259567003
- Primary malignant acrospiroma1259567003
- Primary malignant eccrine acrospiroma1259567003
- Primary clear cell eccrine hidradenocarcinoma1259569000
- Primary clear cell eccrine hidradenocarcinoma of skin1259569000
- Primary small cell eccrine carcinoma1259571000
- Primary small cell eccrine carcinoma of skin1259571000
- Primary apocrine adenocarcinoma of skin1259573002
- Primary mixed eccrine/pilar adnexal carcinoma of skin1259577001
- Primary undifferentiated adnexal carcinoma of skin1259578006
- Primary infantile fibrosarcoma1259580000
- Primary malignant infantile fibrosarcoma1259580000
- Primary carcinosarcoma of skin1259587002
- Primary eccrine porocarcinoma1259592000
- Primary eccrine porocarcinoma of skin1259592000
- Primary digital papillary adenocarcinoma1259593005
- Primary digital papillary eccrine carcinoma of skin1259593005
- Primary hidradenocarcinoma1259593005
- Primary papillary digital eccrine carcinoma1259593005
- Primary sweat gland adenocarcinoma1259593005
- Primary adenoid cystic eccrine carcinoma of skin1259594004
- Primary cutaneous adenocystic carcinoma1259594004
- Primary malignant syringoma1259596002
- Primary microcystic adnexal carcinoma1259596002
- Primary microcystic adnexal carcinoma of skin1259596002
- Primary sclerosing sweat duct carcinoma1259596002
- Primary syringoid eccrine carcinoma1259596002
- Primary syringomatous sweat duct carcinoma1259596002
- Primary eccrine carcinoma of skin1259599009
- Primary myxofibrosarcoma of skin1259601006
- Primary myxoid malignant fibrous histiocytoma of skin1259601006
- Primary eccrine spiradenocarcinoma1259777003
- Primary malignant eccrine spiradenoma1259777003
- Primary malignant eccrine spiradenoma of skin1259777003
- Primary malignant spiradenoma1259777003
- Primary eccrine mixed tumor, malignant1259778008
- Primary eccrine mixed tumour, malignant1259778008
- Primary malignant chondroid syringoma1259778008
- Primary malignant chondroid syringoma of skin1259778008
- Primary malignant mixed tumor of the skin1259778008
- Primary malignant mixed tumour of the skin1259778008
- Primary malignant fibrous histiocytoma of skin1259779000
- Primary superficial malignant fibrous histiocytoma of skin1259780002
- Primary giant cell malignant fibrous histiocytoma of skin1259781003
- Primary inflammatory malignant fibrous histiocytoma of skin1259782005
- Primary pleomorphic malignant fibrous histiocytoma of skin1259789001
- Metastatic sebaceous adenocarcinoma1264367001
- Secondary sebaceous adenocarcinoma1264367001
- Metastatic sebaceous adenocarcinoma of eyelid1264369003
- Metastatic sebaceous adenocarcinoma to eyelid1264369003
- Secondary sebaceous adenocarcinoma of eyelid1264369003
- Primary epithelioid sarcoma1268547002
- Primary pilomatrix carcinoma of skin1268699008
- Primary extramammary Paget disease of skin1268956001
- Primary extramammary Paget's disease of skin1268956001
- Metastatic apocrine adenocarcinoma1290695006
- Metastatic eccrine porocarcinoma1290697003
- Metastatic pilomatrix carcinoma1290698008
- Fibrosarcoma1290852005
- Fibrosarcomatous dermatofibrosarcoma protuberans1290854006
- Plaque-like dermatofibrosarcoma protuberans1290920009
- Hidradenocarcinoma1293105001
- BCC (basal cell carcinoma) with adnexal differentiation1293108004
- Basal cell carcinoma with adnexal differentiation1293108004
- Endocrine mucin-producing sweat gland carcinoma1293109007
- Keratinocytic epidermal carcinoma of skin1418361000168101
- Metastatic adenocarcinoma of skin91231000119104
- Metastatic adenocarcinoma to skin91231000119104
- Secondary adenocarcinoma of skin91231000119104
- Primary adenocarcinoma of skin79281000119106
- Torré-Muir syndrome co-occurrent with malignant sebaceous neoplasm136641000119101
Frequently Asked Questions
What is the ICD-10 code for other specified malignant neoplasm of skin, unspecified?
The ICD-10-CM code for other specified malignant neoplasm of skin, unspecified is C44.99. The full clinical description is "Other specified malignant neoplasm of skin, unspecified". C44.99 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code C44.99 mean?
ICD-10-CM code C44.99 represents "Other specified malignant neoplasm of skin, unspecified". It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is C44.99 a billable code?
Yes, C44.99 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C44.99 in?
C44.99 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C44.99?
C44.99 has Excludes1 notes indicating codes that cannot be used together with it, including: Kaposi's sarcoma of skin (C46.0); malignant melanoma of skin (C43.-); malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2); and 1 more.
What SNOMED CT codes does C44.99 map to?
C44.99 maps to 103 SNOMED CT concepts: 254800003, 254711000, 403939009, 254794007, 403949007, and 98 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C44.99?
C44.99 is linked to 1 UMLS Concept Unique Identifier: C3263824. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.