Diagnosis Code


Code Information

Diagnosis Code: C10.4

Short Description: Malignant neoplasm of branchial cleft

Long Description: Malignant neoplasm of branchial cleft

The code C10.4 is VALID for claim submission

Code Classification:

  • Neoplasms (C00–D48)
    • Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
      • Malignant neoplasm of oropharynx (C10)
        • C10.4 Malignant neoplasm of branchial cleft

Code Version: 2018 ICD-10-CM


  • Malignant tumor of branchial cleft
  • Primary malignant neoplasm of branchial cleft
  • Primary squamous cell carcinoma of branchial cleft

References to Index of Diseases and Injuries

The code C10.4 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Malignant neoplasm of branchial cyst [site of neoplasm]

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C10.4 Right Arrow 146.8 Mal neo oropharynx NEC
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
C10 Malignant neoplasm of oropharynx
C10.0 Malignant neoplasm of vallecula
C10.1 Malignant neoplasm of anterior surface of epiglottis
C10.2 Malignant neoplasm of lateral wall of oropharynx
C10.3 Malignant neoplasm of posterior wall of oropharynx
C10.8 Malignant neoplasm of overlapping sites of oropharynx
C10.9 Malignant neoplasm of oropharynx, unspecified

This page was last updated on: 1/1/2018