C10.4
ICD-10BillableMalignant neoplasm of branchial cleft
Official ICD-10-CM descriptor (FY2026)
Malignant neoplasm of branchial cleft
C10.4 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Malignant neoplasm of branchial cyst [site of neoplasm]
Related codes in C10
- C10.0Malignant neoplasm of vallecula
- C10.1Malignant neoplasm of anterior surface of epiglottis
- C10.2Malignant neoplasm of lateral wall of oropharynx
- C10.3Malignant neoplasm of posterior wall of oropharynx
- C10.8Malignant neoplasm of overlapping sites of oropharynx
- C10.9Malignant neoplasm of oropharynx, unspecified
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
- Parent code
- C10
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.