C44.91
BillableBasal cell carcinoma of skin, unspecified
Basal cell carcinoma of skin, unspecified
Coding Notes
Includes
Conditions included under this code
- malignant neoplasm of sebaceous glands
- malignant neoplasm of sweat glands
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Related Codes(3)
Also Known As / Clinical Terms(188)
SNOMED CT
- BCNS - Basal cell naevus syndrome69408002
- BCNS - Basal cell nevus syndrome69408002
- Basal cell carcinoma syndrome69408002
- Basal cell naevus syndrome69408002
- Basal cell nevus syndrome69408002
- Gorlin syndrome69408002
- Gorlin's syndrome69408002
- Gorlin-Goltz syndrome69408002
- NBCCS - Naevoid basal cell carcinoma syndrome69408002
- NBCCS - Nevoid basal cell carcinoma syndrome69408002
- Naevoid basal cell carcinoma syndrome69408002
- Nevoid basal cell carcinoma syndrome69408002
- Follicular atrophoderma238842001
- BCC - Basal cell carcinoma of skin254701007
- Basal cell carcinoma of skin254701007
- Basal cell epithelioma254701007
- Basalioma254701007
- Cancer of skin, basal cell254701007
- RU - Rodent ulcer254701007
- Rodent ulcer254701007
- BCC - Metatypical basal cell carcinoma of skin254702000
- Basosquamous carcinoma of skin254702000
- Metatypical basal cell carcinoma of skin254702000
- Fibroepithelioma of Pinkus254703005
- Pinkus tumor254703005
- Pinkus tumour254703005
- Basal cell carcinoma with eccrine differentiation254710004
- Bazex-Dupre-Christol syndrome254820002
- Follicular atrophoderma and basal cell epitheliomata254820002
- Malignant neoplasm of skin with pilar differentiation276750003
- Malignant tumor of skin with pilar differentiation276750003
- Malignant tumour of skin with pilar differentiation276750003
- Basal cell carcinoma - adamantinoid402524007
- Basal cell carcinoma - adenoid402525008
- Basal cell carcinoma - follicular402526009
- Basal cell carcinoma - infiltrative402527000
- Basal cell carcinoma - keratotic402528005
- Basal cell carcinoma - micronodular402529002
- Basal cell carcinoma with matrical differentiation402530007
- Basal cell carcinoma with granular cell change402531006
- Basal cell carcinoma with monster cells402532004
- Basal cell carcinoma with sebaceous differentiation402533009
- Basal cell carcinoma with signet ring change402534003
- Basal cell carcinoma - primary402536001
- Metastatic basal cell carcinoma402537005
- Recurrent basal cell carcinoma402538000
- Basal cell carcinoma recurrent following excision402539008
- Basal cell carcinoma recurrent following Mohs' excision402540005
- Basal cell carcinoma recurrent following curettage402541009
- Basal cell carcinoma recurrent following cryosurgery402542002
- Basal cell carcinoma recurrent following radiotherapy402543007
- Basal cell carcinoma - first recurrence402544001
- Basal cell carcinoma - second recurrence402545000
- Basal cell carcinoma - third recurrence402546004
- Basal cell carcinoma - multiple recurrences (more than three times)402547008
- Adverse effect from PUVA photochemotherapy403710000
- Adverse effect from psoralen and long-wave ultraviolet radiation photochemotherapy403710000
- PUVA therapy-associated basal cell carcinoma403712008
- Psoralen and long-wave ultraviolet radiation (PUVA) therapy-associated basal cell carcinoma403712008
- Psoralen and long-wave ultraviolet radiation therapy-associated basal cell carcinoma403712008
- Malignant neoplasm of skin caused by radiation403729006
- Radiation-induced skin malignancy403729006
- Pigmented basal cell carcinoma403909004
- Circumscribed solid basal cell carcinoma403910009
- Nodulo-ulcerative basal cell carcinoma403911008
- Cystic basal cell carcinoma403912001
- Sclerosing morpheic basal cell carcinoma403913006
- Sclerosing morphoeic basal cell carcinoma403913006
- Multicentric basal cell carcinoma403914000
- Superficial basal cell carcinoma403914000
- Trichilemmal carcinoma403929003
- Malignant basal cell neoplasm of skin429114002
- Malignant basal cell tumor of skin429114002
- Malignant basal cell tumour of skin429114002
- Nodular basal cell carcinoma of skin716274007
- Primary basosquamous carcinoma of skin1259376009
- Primary metatypical basal cell carcinoma of skin1259376009
- Primary basal cell carcinoma with eccrine differentiation1259377000
- Primary nodular basal cell carcinoma of skin1259459009
- Primary basal cell carcinoma - adenoid1259544000
- Primary basal cell carcinoma - infiltrative1259546003
- Primary basal cell carcinoma - micronodular1259548002
- Primary sclerosing morpheic basal cell carcinoma1259557008
- Primary sclerosing morphoeic basal cell carcinoma1259557008
- Primary multifocal basal cell carcinoma1259559006
- Primary superficial basal cell carcinoma1259559006
- Primary trichilemmal carcinoma1259566007
- Primary Pinkus tumor1259793007
- Primary Pinkus tumour1259793007
- Primary fibroepithelioma of Pinkus1259793007
- BCC (basal cell carcinoma) with sarcomatoid differentiation1290826004
- Basal cell carcinoma with sarcomatoid differentiation1290826004
- BCC (basal cell carcinoma) with adnexal differentiation1293108004
- Basal cell carcinoma with adnexal differentiation1293108004
Clinical Terms
- Basal cell carcinoma with granular cell change
- Nodular basal cell carcinoma of skin
- NBCCS - Nevoid basal cell carcinoma syndrome
- Malignant neoplasm of skin with pilar differentiation
- Gorlin-Goltz syndrome
- Recurrent basal cell carcinoma
- Basal cell carcinoma recurrent following curettage
- Radiation-induced skin malignancy
- Basal cell carcinoma recurrent following cryosurgery
- Nodulo-ulcerative basal cell carcinoma
- Metatypical basal cell carcinoma of skin
- Pinkus tumour
- Gorlin's syndrome
- Basal cell carcinoma - third recurrence
- Malignant basal cell neoplasm of skin
- Primary nodular basal cell carcinoma of skin
- Primary sclerosing morpheic basal cell carcinoma
- Basal cell carcinoma - follicular
- Basal cell carcinoma - adenoid
- Primary basal cell carcinoma - infiltrative
- Naevoid basal cell carcinoma syndrome
- Trichilemmal carcinoma
- Basal cell carcinoma with sarcomatoid differentiation
- Fibroepithelioma of Pinkus
- Basal cell carcinoma recurrent following excision
- Basal cell naevus syndrome
- Superficial basal cell carcinoma
- Adverse effect from psoralen and long-wave ultraviolet radiation photochemotherapy
- Sclerosing morpheic basal cell carcinoma
- Rodent ulcer
- Basal cell nevus syndrome
- Primary trichilemmal carcinoma
- Basosquamous carcinoma of skin
- Psoralen and long-wave ultraviolet radiation therapy-associated basal cell carcinoma
- Basal cell epithelioma
- Cancer of skin, basal cell
- Basal cell carcinoma - primary
- Follicular atrophoderma and basal cell epitheliomata
- Adverse effect from PUVA photochemotherapy
- Bazex-Dupre-Christol syndrome
- Basalioma
- Primary basal cell carcinoma - adenoid
- Malignant tumor of skin with pilar differentiation
- BCC (basal cell carcinoma) with sarcomatoid differentiation
- NBCCS - Naevoid basal cell carcinoma syndrome
- Primary basosquamous carcinoma of skin
- Basal cell carcinoma syndrome
- Primary Pinkus tumour
- Circumscribed solid basal cell carcinoma
- Psoralen and long-wave ultraviolet radiation (PUVA) therapy-associated basal cell carcinoma
- Nevoid basal cell carcinoma syndrome
- Basal cell carcinoma recurrent following radiotherapy
- Gorlin syndrome
- Malignant basal cell tumor of skin
- BCC (basal cell carcinoma) with adnexal differentiation
- Pinkus tumor
- Malignant tumour of skin with pilar differentiation
- BCC - Metatypical basal cell carcinoma of skin
- Basal cell carcinoma - second recurrence
- Basal cell carcinoma with eccrine differentiation
- Basal cell carcinoma - keratotic
- Cystic basal cell carcinoma
- Multicentric basal cell carcinoma
- Sclerosing morphoeic basal cell carcinoma
- Basal cell carcinoma - first recurrence
- Basal cell carcinoma recurrent following Mohs' excision
- Basal cell carcinoma with sebaceous differentiation
- Primary metatypical basal cell carcinoma of skin
- Pigmented basal cell carcinoma
- Metastatic basal cell carcinoma
- Primary basal cell carcinoma with eccrine differentiation
- Primary multifocal basal cell carcinoma
- BCNS - Basal cell naevus syndrome
- Primary basal cell carcinoma - micronodular
- Malignant basal cell tumour of skin
- Primary superficial basal cell carcinoma
- Basal cell carcinoma - infiltrative
- BCC - Basal cell carcinoma of skin
- Primary Pinkus tumor
- Basal cell carcinoma with monster cells
- Follicular atrophoderma
- Basal cell carcinoma - micronodular
- BCNS - Basal cell nevus syndrome
- Basal cell carcinoma - multiple recurrences (more than three times)
- Basal cell carcinoma with adnexal differentiation
- Basal cell carcinoma with signet ring change
- Basal cell carcinoma with matrical differentiation
- RU - Rodent ulcer
- Malignant neoplasm of skin caused by radiation
- PUVA therapy-associated basal cell carcinoma
- Primary fibroepithelioma of Pinkus
- Basal cell carcinoma - adamantinoid
- Primary sclerosing morphoeic basal cell carcinoma
Frequently Asked Questions
What is the ICD-10 code for basal cell carcinoma of skin, unspecified?
The ICD-10-CM code for basal cell carcinoma of skin, unspecified is C44.91. The full clinical description is "Basal cell carcinoma of skin, unspecified". C44.91 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code C44.91 mean?
ICD-10-CM code C44.91 represents “Basal cell carcinoma of skin, unspecified”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is C44.91 a billable code?
Yes, C44.91 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C44.91 in?
C44.91 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C44.91?
C44.91 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 C44.91 map to?
C44.91 maps to 55 SNOMED CT concepts: 403710000, 1293108004, 1290826004, 254701007, 254702000, and 50 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C44.91?
C44.91 is linked to 1 UMLS Concept Unique Identifier: C3263822. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C44.91 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like basal cell carcinoma of skin, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of C44.91?
There is no direct ICD-11 mapping available for C44.91 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.