C4A.0
Merkel cell carcinoma of lip
- Release
- FY 2027
- Effective
Hierarchy
Where C4A.0 sits in the official hierarchy. Each level is the code it is classified under.
- C4A Parent Merkel cell carcinoma
- C4A.0 This code Merkel cell carcinoma of lip
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files.
Excludes1
malignant neoplasm of vermilion border of lip (C00.0-C00.2)
Version History
How C4A.0 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentMerkel cell carcinoma of lip
-
FY 2026 Effective
UnchangedMerkel cell carcinoma of lip
Related Codes
Other codes under C4A
- C4A.1 Merkel cell carcinoma of eyelid, including canthus
- C4A.2 Merkel cell carcinoma of ear and external auricular canal
- C4A.3 Merkel cell carcinoma of other and unspecified parts of face
- C4A.4 Merkel cell carcinoma of scalp and neck Billable
- C4A.5 Merkel cell carcinoma of trunk
- C4A.6 Merkel cell carcinoma of upper limb, including shoulder
- C4A.7 Merkel cell carcinoma of lower limb, including hip
- C4A.8 Merkel cell carcinoma of overlapping sites Billable
- C4A.9 Merkel cell carcinoma, unspecified Billable
Codes whose official notes reference C4A.0
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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