C4A.11
Non-billableMerkel cell carcinoma of right eyelid, including canthus
Merkel cell carcinoma of right eyelid, including canthus
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Cross-references
UMLS
Child Codes (2)
Related Codes(2)
How C4A.11 differs from sibling codes
All children of C4A.1 share the same parent. The wording below is what mechanically separates each sibling from C4A.11.
Also Known As / Clinical Terms(2)
Common questions
What is the ICD-10-CM code for Merkel cell carcinoma of right eyelid, including canthus?
Merkel cell carcinoma of right eyelid, including canthus is coded as C4A.11 in ICD-10-CM.
What is ICD-10 code C4A.11?
C4A.11 is the ICD-10-CM identifier for Merkel cell carcinoma of right eyelid, including canthus. It is included in the official 2025 release of ICD-10-CM published by CMS and NCHS.
Why is C4A.11 non-billable?
C4A.11 is a category code; ICD-10-CM requires the most specific child code for claim submission. The billable child codes under C4A.11 are: C4A.111, C4A.112.
What is the parent code of C4A.11?
C4A.11 sits under C4A.1 (Merkel cell carcinoma of eyelid, including canthus) in the ICD-10-CM hierarchy.
What chapter does C4A.11 belong to?
C4A.11 is in Chapter 2: Neoplasms.
What is the UMLS mapping for C4A.11?
C4A.11 maps to UMLS C2842051.
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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.