C4A.30
BillableMerkel cell carcinoma of unspecified part of face
Merkel cell carcinoma of unspecified part of face
Cross-references
SNOMED CT
UMLS
Related Codes(2)
How C4A.30 differs from sibling codes
All children of C4A.3 share the same parent. The wording below is what mechanically separates each sibling from C4A.30.
Also Known As / Clinical Terms(4)
UMLS
Clinical Terms
- Primary Merkel cell carcinoma of skin of face
Common questions
What is the ICD-10-CM code for Merkel cell carcinoma of unspecified part of face?
Merkel cell carcinoma of unspecified part of face is coded as C4A.30 in ICD-10-CM.
What is ICD-10 code C4A.30?
C4A.30 is the ICD-10-CM identifier for Merkel cell carcinoma of unspecified part of face. It is included in the official 2025 release of ICD-10-CM published by CMS and NCHS.
Is C4A.30 a billable code?
Yes, C4A.30 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.30?
C4A.30 sits under C4A.3 (Merkel cell carcinoma of other and unspecified parts of face) in the ICD-10-CM hierarchy.
What chapter does C4A.30 belong to?
C4A.30 is in Chapter 2: Neoplasms.
What are the synonyms for Merkel cell carcinoma of unspecified part of face?
In clinical text, merkel cell carcinoma of unspecified part of face is also written as: Primary Merkel cell carcinoma of skin of face. Sourced from SNOMED CT, UMLS Metathesaurus, and clinical-terms enrichment.
What is the SNOMED CT mapping for C4A.30?
C4A.30 maps to SNOMED CT 1287332002.
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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.