C06.89
Billable codeMalignant neoplasm of overlapping sites of other parts of mouth
The ICD-10 code for malignant neoplasm of overlapping sites of other parts of mouth is C06.89.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- 'book leaf' neoplasm [ventral surface of tongue and floor of mouth]
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C06.80Malignant neoplasm of overlapping sites of unspecified parts of mouth
- C06.89Malignant neoplasm of overlapping sites of other parts of mouth
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1458Approximate match
Associated MS-DRGs
C06.89 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- DRG 146Ear, Nose, Mouth and Throat Malignancy with MCC
- DRG 147Ear, Nose, Mouth and Throat Malignancy with CC
- DRG 148Ear, Nose, Mouth and Throat Malignancy without CC/MCC