C10.4
C10.4: Malignant neoplasm of branchial cleft
Billable / specific codeICD-10-CM
C10.4 is a billable, specific ICD-10-CM code for malignant neoplasm of branchial cleft. It is valid for submission on a claim.
Check C10.4 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Malignant neoplasm of branchial cyst [site of neoplasm]
Risk adjustment
C10.4 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 21 Lymphoma and Other Cancers0.671 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
C10.4 is named in 57 Medicare coverage policies: 57 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
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Alphabetic index entries that lead here
- Carcinoma›branchial or branchiogenic
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under 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