C4A.39
BillableMerkel cell carcinoma of other parts of face
Merkel cell carcinoma of other parts of face
Cross-references
Related Codes(2)
How C4A.39 differs from sibling codes
All children of C4A.3 share the same parent. The wording below is what mechanically separates each sibling from C4A.39.
Also Known As / Clinical Terms(30)
SNOMED CT
- Primary malignant neoplasm of cheek93753000
- Primary malignant neoplasm of skin of cheek94014008
- Primary malignant neoplasm of skin of eyebrow94020009
- Primary malignant neoplasm of skin of forehead94026003
- Primary malignant neoplasm of skin of temporal region94040002
- Neoplasm of skin of eyebrow126494007
- Malignant neoplasm of skin of cheek, external188095002
- Malignant neoplasm of skin of temple188100000
- Carcinoma of cheek447949005
- Malignant epithelial neoplasm of cheek447949005
- Primary Merkel cell carcinoma of skin of cheek16782931000119100
- Primary Merkel cell carcinoma of skin of eyebrow16846301000119103
- Primary Merkel cell carcinoma of skin of forehead16783011000119102
- Primary Merkel cell carcinoma of skin of temple16782891000119108
UMLS
Clinical Terms
- Neoplasm of skin of eyebrow
- Primary Merkel cell carcinoma of skin of forehead
- Carcinoma of cheek
- Malignant epithelial neoplasm of cheek
- Malignant neoplasm of skin of temple
- Primary Merkel cell carcinoma of skin of temple
- Primary malignant neoplasm of cheek
- Primary malignant neoplasm of skin of forehead
- Primary Merkel cell carcinoma of skin of eyebrow
- Malignant neoplasm of skin of cheek, external
- Primary malignant neoplasm of skin of eyebrow
- Primary malignant neoplasm of skin of temporal region
- Primary Merkel cell carcinoma of skin of cheek
- Primary malignant neoplasm of skin of cheek
Common questions
What is the ICD-10-CM code for Merkel cell carcinoma of other parts of face?
Merkel cell carcinoma of other parts of face is coded as C4A.39 in ICD-10-CM.
What is ICD-10 code C4A.39?
C4A.39 is the ICD-10-CM identifier for Merkel cell carcinoma of other parts of face. It is included in the official 2025 release of ICD-10-CM published by CMS and NCHS.
Is C4A.39 a billable code?
Yes, C4A.39 is a billable / specific ICD-10-CM code that can be used to indicate a diagnosis on a medical claim.
What is the parent code of C4A.39?
C4A.39 sits under C4A.3 (Merkel cell carcinoma of other and unspecified parts of face) in the ICD-10-CM hierarchy.
What chapter does C4A.39 belong to?
C4A.39 is in Chapter 2: Neoplasms.
What are the synonyms for Merkel cell carcinoma of other parts of face?
In clinical text, merkel cell carcinoma of other parts of face is also written as: Carcinoma of cheek, Malignant epithelial neoplasm of cheek, Malignant neoplasm of skin of cheek, external, Malignant neoplasm of skin of temple, Neoplasm of skin of eyebrow, Primary Merkel cell carcinoma of skin of cheek, and 8 more. Sourced from SNOMED CT, UMLS Metathesaurus, and clinical-terms enrichment.
Why does C4A.39 map to multiple SNOMED CT concepts?
ICD-10-CM is a billing classification with broader categories than SNOMED CT’s clinical terminology. C4A.39 captures the billing-level concept; SNOMED CT splits it into 13 clinical concepts: 126494007, 16782891000119108, 16782931000119100, 16783011000119102, 16846301000119103, and 8 more.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.