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D00.02

Billable

Carcinoma in situ of buccal mucosa

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Abnormal cells in the inner lining of the cheeks that have the potential to become cancer but are not yet invasive.

Coding Tips

  • •Buccal mucosa refers specifically to the inside of the cheek
  • •Ensure documentation clearly identifies the buccal mucosa as the site to differentiate from other oral cavity locations

Code Hierarchy

└D00Carcinoma in situ of oral cavity, esophagus and stomach└D00.0Carcinoma in situ of lip, oral cavity and pharynx└D00.02Carcinoma in situ of buccal mucosa
└D00.02Carcinoma in situ of buccal mucosa

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